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This manual is intended as a basic training manual for men of the Navy and Naval Reserve whose duties require them to have a knowledge of servosystems and associated devices. It is assumed that the student studying this manual is familiar with basic electricity, basic electronics, the theory of electron tubes, semiconductor devices, power supplies, and amplifiers. Chapters 2 and 3 of this training manual discuss Navy synchro units. Chapter 2 describes the general construction of the units, explains how they are classified and marked, and discusses the basic principles upon which they operate. Chapter 3 presents information relating to multi-speed units, standard connections, and zeroing procedures. This chapter also includes material concerning other units similar to synchros, such as IC synchros, resolvers, and step-by-step units. Chapter 4 discusses the operation and applications of servosystems. The basic open and closed loop systems are described, and the various types of error detectors and servoamplifiers used with the systems are discussed. Gyroscopic principles, and the common types of gyro units used in the Navy are discussed in chapter 5. Also included in this chapter is a discussion on the basic types of accelerometers used in shipboard and aircraft systems. Chapter 6 presents a basic functional description of some of the shipboard and aircraft systems that utilize the various types of components discussed in this training manual.

From the earliest days of the Republic, the United States Army has not just maintained the national defense but has also performed a wide variety of peacetime missions. Army officers helped explore the West, Army engineers built early flood control systems, and Army pilots flew the first airmail routes. The Army Medical Department in particular has long aided the civilian community. Its members regularly contributed to the advancement of medical knowledge and in special situations provided health care for civilians. The Demands of Humanity examines one aspect of that direct assistance, medical aid rendered during natural disasters. Discussing help given both at home and abroad, this third volume in the Special Studies Series examines the origin of the relief mission in the nineteenth century and recounts its history to 1976. With their special expertise in public health and the treatment of mass casualties, Army medical personnel during these years compiled an impressive record of assistance. After the Spanish-American War, Army doctors made medical history in their campaigns against epidemic diseases in Cuba, Puerto Rico, and the Philippines. In times of twentieth century floods, hurricanes, tornadoes, earthquakes, famines, and epidemics, Army medical personnel aided individuals and furnished stricken communities valuable advice on sanitation and health care. The Demands of Humanity chronicles the humanitarian contribution made by Army doctors, nurses, and medical corpsmen during disaster situations. It also examines the problems their units encountered in relief operations and explains the development of the Army's assistance role. It thereby contributes not only to the often-neglected history of the peacetime role of the military but to the history of social welfare policy in the United States as well. James L. Collins, Jr. Brigadier General, USA Chief of Military History

For nearly fifty years, citizen airmen have served in the nation's defense as members of the Air Force Reserve. Citizen Airmen: A History of the Air Force Reserve, 1946-1994 begins with the fledgling air reserve program initiated in 1916, traces its progress through World War II, and then concentrates on the period 1946 through 1994. The study skillfully describes the process by which a loosely organized program evolved into today's impressive force. The Air Force Reserve story is told within the context of national political and military policy and stresses that over the decades, as national needs have increased, reservists have met the challenges. Initially, the Air Force treated its reserve units as supplemental forces and equipped them with surplus equipment. Shortly after the Air Force Reserve was established in 1948, its members mobilized for Korean War duty and they served throughout the conflict. The Reserve program subsequently fell into disarray and required patient rebuilding. The passage of a series of key federal laws related to personnel issues and the introduction of the air reserve technician program greatly assisted in this rejuvenation process. In the 1960s, the Air Force Reserve demonstrated its mettle as it participated in numerous mobilizations reflecting the Cold War tensions of the era. Reservists were involved in operations ranging from the Berlin Crisis of 1961-1962 to the Southeast Asia mobilizations in 1968. In the 1970s, the Air Force Reserve program assumed heightened importance when the Department of Defense adopted the Total Force Policy. This concept treated the active forces, the National Guard, and all reserve forces as an integrated force. Reservists were now expected to meet the same readiness standards as their active duty counterparts. Since then, the Air Force Reserve has demonstrated its ability to perform a wide variety of missions. Air Reservists participated in American military operations in Grenada and Panama. During DESERT SHIELD and STORM, some 23,500 reservists were mobilized for service. They performed in combat in the Persian Gulf and provided vital support services at overseas locations. Stateside, they served at home stations or other locations in place of deployed active duty personnel. Today, the Air Force Reserve performs major portions of the Air Force mission. Reservists are equipped with front-line weapons systems and have supported United Nations operations in Somalia, Bosnia, Rwanda, and Iraq. They have exclusive responsibility for aerial spray operations and weather reconnaissance and they contribute large portions of the airlift and rescue missions. Reservists may also be found performing humanitarian medical missions and varied nation-building projects.

This report presents the analyses, findings, and conclusions of OTA's study of the Federal program for the management of nonnuclear industrial hazardous waste --an issue that has now reached national prominence and widespread congressional attention. OTA's findings and conclusions concerning the technical components of the Federal hazardous waste program complement current activities which have focused more on administrative problems and issues. Our work offers a number of opportunities, at this critical time, for examining solutions to national hazardous waste problems. In conducting the study, OTA analyzed a wide range of views --from the technical community, industrial sectors which generate hazardous waste, the waste management industry, the environmental community, State and local officials, Federal agencies, and the lay public. As a result of that effort, OTA identified four policy options --beyond maintaining the current Federal program-- which could form the basis for an immediate and comprehensive approach to protecting human health and the environment from the dangers posed by mismanagement of hazardous waste. One near-term option addresses the means to improve the technical effectiveness of the current regulatory structure. The other near-term option provides a nonregulatory or market approach to achieving a number of desired goals. Both of these options are compatible with the two longer term options, one of which deals with introducing waste and facility classifications into the regulatory structure, and the other which focuses on achieving greater integration of Federal programs, agencies, and statutes concerned with hazardous waste.

The National Commission on the Future of DNA Evidence was created in 1998 at the request of Attorney General Janet Reno. When she read about the use of DNA to exonerate someone wrongfully convicted of rape and homicide, she became concerned that others might also have been wrongly convicted. The Attorney General then directed the National Institute of Justice (NIJ) to identify how often DNA had exonerated wrongfully convicted defendants. After extensive study, NIJ published the report Convicted by Juries, Exonerated by Science: Case Studies in the Use of DNA Evidence to Establish Innocence After Trial, which presents case studies of 28 inmates for whom DNA analysis was exculpatory.On learning of the breadth and scope of the issues related to forensic DNA, the Attorney General asked NIJ to establish the Commission as a means to examine the future of DNA evidence and how the Justice Department could encourage its most effective use. The Commission was appointed by the former Director of the National Institute of Justice, Jeremy Travis, and represents the broad spectrum of the criminal justice system. Chaired by the Honorable Shirley S. Abrahamson, Chief Justice of the Wisconsin State Supreme Court, the Commission consists of representatives from the prosecution, the defense bar, law enforcement, the scientific community, the medical examiner community, academia, and victims' rights organizations.

Since 1902, the year of the production of The Admirable Critchon, Sir J. M. Barrie has been one of the most interesting figures in the British Theatre. No other dramatist has given so much delight to so many people and at the same time lived so apart from public life. The newspaper interviewer has long regarded him as morbidly elusive, nor has the most determined roar of "Author!" yet succeeded in drawing him into the glare of the footlights Born on May 9th, 1860, at Kirriemuir, in Forfarshire, and educated at Dumfries Academy and Edinburgh University, Sir J. M. Barrie has made the village of Kirriemuir famous throughout the English speaking world as "Thrums", but London has been the scene and center of most of his triumphs. His writings, whether novels or plays, have been as popular in America as at home. For the rest, our author would probably insist that his most illustrious days have been those on which he has played cricket at Lord's; the fact that J. M. Barrie's first comedy had a country cricketer for its hero and a budding one for its 'juvenile comedy' was as characteristic of him as anything he has ever written.

The story of that delirious outburst in the United States against resident aliens which closely followed the World War and was generally known as "the Red Crusade," is a careful condensation, by the author, of an unpublished manuscript of his in which the events, described in greater detail, are verified by citations in support of every important statement. The personal phases of the narrative are necessitated by the circumstances, as readers will readily see. Its appalling facts are pregnant with wholesome lessons in the fundamental principles of Americanism. Louis Freeland Post was a well respected journalist, lawyer, publicist, economist, author of many books, and Undersecretary of Labor in the Woodrow Wilson administration. He died in Washington, D.C., in 1928.

A much-loved Canadian classic, Legends of Vancouver takes the reader back to a time long ago, before the city of Vancouver was built, when the land belonged to the Squamish people. These legends tell the stories behind many prominent natural features in and around Vancouver. The legends included are mostly Chinook, and had been previously published in the Vancouver Daily Province. The stories were collected by E. Pauline Johnson, the Mohawk poet also known as Tekahionwake, and originally published in 1922.

"In outlining the sequence of our material, we deemed it necessary to show ways of eliminating functional disorders of the higher nervous activity of man by psychotherapeutic methods. In this our investigations were concerned both with the nearest subcortical region and the two signal systems of reality, the normal co-ordination of which underlies the healthy personality, the integrity of our 'ego.' . "The object of our monograph is to show precisely what psychotherapy can and does effect under certain conditions. Not only somatologists but frequently even psychiatrists, have inadequate knowledge of the efficacy of psychotherapy. In order that the methods of psychotherapy be extensively introduced into medical practice, we need facts directly testifying to its efficacy. It has been our object to give these facts since, according to Pavlov, 'facts are the breath of life for the scientist.' At the same time, we intended to acquaint the reader with our methods of studying and employing psychotherapy on the basis of Pavlov's teachings."

A classic of fantastic and criminous Chinese folk tales superbly translated and annotated by the celebrated Sinologist, Herbert A. Giles. The stories in this volume are translated from the 17th Century collection called the Laio-Chai Chi-i of P'u Sung-Ling, a collection of weird tales which include stories of magic, devilry, vampirism and other fantastic themes. Giles was professor of Chinese at Cambridge as well as British Consul at Ningpo.

Mapping the Global Future: Report of the National Intelligence Council's 2020 Project is the third unclassified report prepared by the National Intelligence Council (NIC) in recent years that takes a long-term view of the future. It offers a fresh look at how key global trends might develop over the next decade and a half to influence world events. Mindful that there are many possible "futures," our report offers a range of possibilities and potential discontinuities, as a way of opening our minds to developments we might otherwise miss.As I used to say to my students at Princeton, linear analysis will get you a much-changed caterpillar, but it won't get you a butterfly. For that you need a leap of imagination. We hope this project, and the dialogue it stimulates, will help us make that leap --not to predict the world of 2020, which is clearly beyond our capacity-- but to better prepare for the kinds of challenges that may lie ahead.--- Robert L. Hutchings

The Approach to the Philippines covers a series of seven complex amphibious and ground operations along the northern coast of New Guinea during the period April-October 1944, in the Southwest Pacific Area, and the capture of the southern Palau Islands, September-November 1944, in the Central Pacific Area. These operations paved the way for the Allied invasion of the Philippines in the late fall of 1944. The Approach to the Philippines covers all activities-ground, air, and naval-necessary for adequate understanding of the Army ground narrative. The nature of combat usually involved a series of coordinated but separate operations by regimental combat teams. Divisions seldom fought as integral units during the approach to the Philippines. The operations involved all the mechanics of amphibious warfare in 1944-strategic and logistical planning, naval gunfire, carrier-based and land-based air support, infantry maneuver, small-unit actions, artillery support, tank actions, tactical supply ashore, medical problems, and civil affairs. The series of operations described was unique, and the problems of execution involved were vastly complicated by the fact that they were executed in rapid succession. While one was being planned, another was being launched, the height of combat was being reached in a third, and still others had entered a consolidation stage. Basically, The Approach to the Philippines becomes a story of joint operations from the highest to the lowest levels. Pertinent information about strategic planning by the Combined and Joint Chiefs of Staff is included to fit the tactical narrative into its proper perspective in the global war. At theater level the problems of joint planning, command, and organization for amphibious operations are covered in detail. At the tactical level may be found the story of a U.S. Army infantry company advancing along a coastal strand with the support of a U.S. Navy PT boat, while a fighter-bomber of the Royal Australian Air Force orbited overhead, ready to dive-bomb or strafe targets that the ground and naval units could not destroy. Or there is the story of a U.S. Navy destroyer and guns aboard amphibious craft manned by U.S. Army engineers that covered the withdrawal of an Army infantry battalion, while Army Air Forces planes protected all three elements. Finally, the plans and actions of the enemy are covered, principally from Japanese records.

This remarkable book tells the painstakingly researched and documented story of the Great Seal of the United States. Beginning with the first committee on the subject in 1776 and carrying through to the latest revisions and controversies concerning the design, this volume chronicles the surprisingly complex history of the Great Seal, illuminating its many little-known intertwinings with great Americans and great events. Incorporating 92 illustrations, The Eagle and the Shield makes a wonderful gift for any historian, folklorist, or collector of Americana.

When the Special Committee began its work in January 1973, there was no basic study outlining the use of emergency powers in the United States from the time of the Philadelphia Constitutional Convention to the present. To fill this scholarly gap, we asked Dr. Harold Relyea of the Library of Congress to write a chronological history of the American government in times of emergency. This is a valuable study. The great crises of American history are highlighted; so are the mechanisms of administration by which the Federal Government--all three branches--met particular emergency situations. Especially significant are the experiences and legacies of Shay's Rebellion, the Civil War, labor strikes of the late 19th century, and both World Wars. The contemporary situation is more complicated. The United States has been in a state of national emergency since March 9, 1933. In fact, there are now in effect four Presidentially proclaimed states of national emergency. In addition to the banking emergency declared by President Roosevelt, there is also the national emergency proclaimed by President Truman on December 16, 1950, during the Korean conflict, plus the states of national emergency declared by President Nixon on March 23, 1970, and August 15, 1971. Concomitantly, especially since the days of the 1933 economic emergency, it has been Congress' habit to delegate extensive emergency authority--which continues even when the emergency has passed--and not to set a terminating date. The United States thus has on the books at least 470 significant emergency powers statutes without time limitations delegating to the Executive extensive discretionary powers, ordinarily exercised by the Legislature, which affect the lives of American citizens in a host of all-encompassing ways. This vast range of powers, taken together, confer enough authority to rule this country without reference to normal constitutional processes. These laws make no provision for congressional oversight nor do they reserve to Congress a means for terminating the "temporary" emergencies which trigger them into use. No wonder the distinguished political scientist, the late Clinton Rossiter, entitled his post-World War II study on modern democratic states, "Constitutional Dictatorship." Emergency government has become the norm. The Special Committee has undertaken a study of the states of national emergency in which we now find ourselves, and the plethora of emergency powers, including Executive Orders and other presidential directives, classified and unclassified, that Congress and the Executive have brought into being over the years. The Special Committee has also been examining the consequences of terminating the declared states of national emergency that now prevail; to recommend what steps Congress should take to insure that the termination can be accomplished without adverse effect upon the necessary tasks of governing; and, also, to recommend ways in which the United States can meet future emergency situations with speed and effectiveness but without relinquishment of congressional oversight and control. Dr. Relyea's study provides the Special Committee and the public an informative and useful background to the present quandry in which we now find ourselves.Frank ChurchCharles McC. Mathias, Jr.Co-Chairmen

No name in history lies deeper in Swedish hearts than the name Gustavus Vasa. Liberator of Sweden from the yoke of Denmark, and founder of one of the foremost dynasties of Europe, his people during more than three centuries have looked back fondly to the figure of their great ruler, and cherished with tender reverence every incident in his romantic history. This enthusiasm for Gustavus Vasa is more than sentiment; it belongs to him as leader in a vast political upheaval. When Gustavus came upon the stage, the Swedish people had long been groaning under a foreign despotism. During more than a century their political existence had been ignored, their rights as freemen trampled in the dust. They had at last been goaded into a spirit of rebellion, and were already struggling to be free. What they most needed was a leader with courage to summon them to arms, and with perseverance to keep them in the field. Possessing these traits beyond all others, Gustavus called his people forth to war, and finally brought them through the war to victory. This revolution extended over a period of seven years,-from the uprising of the Dalesmen in 1521 to the coronation of Gustavus in 1528. It is a period that should be of interest, not only to the student of history, but also to the lover of romance. In order to render the exact nature of the struggle clear, I have begun the narrative at a time considerably before the revolution, though I have not entered deeply into details till the beginning of the war in 1521. By the middle of the year 1523, when Gustavus was elected king, actual warfare had nearly ceased, and the scenes of the drama change from the battle-field to the legislative chamber. In this period occurred the crowning act of the revolution; namely, the banishment of the Romish Church and clergy. The history of the Swedish Revolution has never before been written in the English language. Even Gustavus Vasa is but little known outside his native land.

The papered and bordered wall was an important feature of American interiors during the 18th, 19th, and early 20th centuries. Paper hangings, both imported and of domestic manufacture, were more widely used than many of our restored buildings might lead us to believe. In the late 17th and early 18th centuries, not only were American walls whitewashed, painted, and "wainscoted," but they were also hung with a variety of materials. An English visitor of 1750, James Birket, commented on the number of rooms in Newport, Rhode Island, that were hung with printed canvas and paper. There is also documentation in the 18th century for the use of leather and textile wall hangings in this country. As early as 1700, wallpapers were recorded among the stock of a Boston merchant, and by the late 18th century, paper hangings were available to the middle class as well as to the rich. American advertisers claimed that "the low prices at which they will be sold will make papering cheaper than whitewashing." Easily transported, papers were available at surprisingly early dates not only in the seaboard urban centers, but also in the back country. During the 1840's, industrialization transformed the business of producing wallpapers and made them affordable in the average household. An appetite for papers was stimulated by manufacturers: their advertisements in this period promoted wallpaper for use in churches, banks, and offices, as well as in houses. The resulting popularity of patterned walls is reflected in statistics of soaring production. In 1840, observers of the industry reported that this country produced two million rolls of paper. By the 1880's paper was the standard wall finish and production rose to 100 million rolls in 1890. This wallpaper craze continued until World War I, for almost every imaginable use, from nursery to butcher shops. Architects increasingly specified wallpapers for their designs, and many examples of the late 19th-century period survive both on site and in photographs. Today, wallpaper is rarely given adequate consideration in the restoration of interiors. However, it should be remembered that 18th- and 19th-century owners, architects, and builders may have visualized certain spatial effects of light, warmth, mood, and proportion dependent on the use of wallpaper--effects which are completely distorted when the walls are painted a solid color. Therefore, attempts to create rooms in restored houses require careful consideration of the appropriate interior wall finish. The likelihood that wallpaper may have been used should be recognized and investigated. Whether the objective is to accurately restore an interior to a specific date, or to convey the feeling of a period, wallpaper can contribute positively to the overall success of a restoration. Striving for an accurate restoration, a high level of objectivity must be maintained and the evidence carefully considered. There are some pitfalls to avoid in choosing the paper. Not just any paper will achieve the proper historical ambience, and finding the proper documented paper is not always easy. Many expensively restored late 19th-century rooms have been unwittingly papered with reproductions of distinctly 18th-century patterns which were readily available. The personal tastes of the board of directors, local decorators, influential donors or volunteer committees can pose great problems. Often, after professional research reveals the actual paper that was used in a room, the results are ignored by members of an influential committee who consider the paper ugly and therefore "inappropriate." The impulse to decorate in conformity with 20th-century taste is commonly allowed to prevail, but should be suppressed. If paper is to be hung, patterns consistent with any evidence found in situ, or contemporary to the restoration target date and the type of room, should be care fully chosen.

Leander Stillwell was typical of thousands of Northern boys who answered President Lincoln's call for volunteers. In January 1862, only a few months past his 18th birthday, and only after he and his father had sowed the wheat, gathered the corn and cut the winter firewood, Stillwell left his family's log cabin in the Jersey County backwoods of western Illinois and enlisted in Company D of the 61st Illinois Infantry Regiment. For three and a half years he served in the Western theater of operations as a noncommissioned officer before being mustered out as a lieutenant in September 1865. His first---and biggest---battle, Shiloh, was the one he remembered most vividly. He also took part in skirmishes in Tennessee and Arkansas, as well as the Siege of Vicksburg. In The Story of a Common Soldier Stillwell tells of his Army experiences, as critic H. L. Mencken observed admiringly in a review, "in plain, straightforward American, naked and unashamed, without any of the customary strutting and bawling." Small for his age and given to taking solitary walks in the woods beyond the picket lines, Stillwell was nevertheless an enthusiastic and obedient soldier. "Just a little mortifying," was Stillwell's reaction when his regiment missed two battles because it had been left to guard a town in Tennessee. But, he hastened to add, "the common soldier can only obey orders, and stay where he is put, and doubtless it was all for the best."

Since 1958 the Maritime Administration has continuously conducted instructions in use of collision avoidance radar for qualified U.S. seafaring personnel and representatives of interested Federal and State Agencies. Beginning in 1963, to facilitate the expansion of training capabilities and at the same time to provide the most modern techniques in training methods, radar simulators were installed in Maritime Administration's three region schools. It soon became apparent that to properly instruct the trainees, even with the advanced equipment, a standardize up-to-date instruction manual was needed. The first manual was later revised to serve both as a classroom textbook and as an onboard reference handbook. This newly updated manual, the fourth revision, in keeping with Maritime Administration policy, has been restructured to include improved and more effective methods of plotting techniques for use in Ocean, Great Lakes, Coastwise and Inland Waters navigation.Robert J. BlackwellAssistant Secretary for Maritime Affairs

The origin of this volume and the symposium proceedings it records can be traced to the deliberations of the National Academy of Sciences' Animal Orientation and Tracking Committee of the 1969 Space Biology Summer Study at Santa Cruz, California, whose members pointed to the potential role of satellites and recent bioengineering developments as a means of gaining information about the many questions of animal travel, particularly the mechanisms involved in long-distance navigational ability. Coming several years since its predecessor conferences, at a time of a new popularization of ecology and a growing availability of advanced technology, the Wallops Station symposium reflected its temporal and geographic setting. The papers and discussions of this volume contrast the classical approaches to phenomena of ancient interest, the beginnings made in applying satellite technology, and the conceptual and methodological advances in experimental biology which have taken place in the past few years. The range of species, sensory modalities, and methodologies provide the reader with a substantial sample of the developments in this field and with the basis for predicting, to some degree, its future course. Already apparent is the combining of field observations made under highly variable natural conditions with analytic, manipulative laboratory methods. A greater precision in the experimental questions now being posed is making their solution increasingly susceptible to neurophysiological and behavioral techniques for isolating the variables, both internal and environmental, which control this class of behavior. Whether the mechanisms of orientation and navigation will yield to the current array of approaches addressed to specific questions or must await a more general understanding of brain function, there is little doubt that this symposium will have had a significant effect on the research to be reported whenever the participants in this field again assemble to assess their progress.Richard E. BellevilleBioscience Programs