In the first installment of “Hawkins Electrical Guide,” subjects include electricity, static electricity, primary cells, conductors and insulators, magnetism, dynamos, and much more. Published in 1914.
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Author : N. Hawkins
Genre : Technology & Engineering
Summary : Excerpt from Hawkins Electrical Guide Number One: Questions, Answers, and Illustrations; A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to Acquire a Working Knowledge of Electricity and Its Applications; A Practical Treatise The word "guide" is defined as: One who leads another in any path or direction; a person who shows or points out the way, especially by accompanying or going before; more particularly, one who shows strangers or tourists about; a conductor; leader, as "let us follow our guide." This book, or "Guide" is so called because it leads or points out the way to the acquirement of a theoretical and practical knowledge of Electricity. There are several guides, each covering in detail a certain phase of the broad subject of Electricity and leading the reader progressively, and in such a way, that he easily grasps, not only the simple fundamental facts, but the more complex problems, encountered in the study of Electricity. This is accomplished by the aid of a very large number of illustrations, together with specific explanations, worded in concise and simple language. The Guides are written partly in the question and answer form, as this style of presentation has met with hearty approval, not only from those of limited education, but also from the better informed. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Author : Nehemiah Hawkins
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Author : Nehemiah Hawkins
Genre : Electrical engineering
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Author : Nehemiah Hawkins
Genre : Electric engineering
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Author : Nehemiah Hawkins
Genre : Technology & Engineering
Summary : Excerpt from Hawkins Electrical Guide: Number 6; Questions, Answers and Illustrations; A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to Acquire a Working Knowledge of Electricity and Its Applications; A Practical Treatise Parts; construction - field windings for induction mo tors - calculation for revolutions of rotating field; objection to high speed of field - diificulty with low frequency currents general character of field winding - formation of poles grouping of coils - starting of induction motors: external resistance, auto-transformer, internal resistance methods internal resistance induction motors; adaptation - how resistance is cut out - why not desirable for large sizes external resistance or slip ring motors - operation armature connections - single phase induction motors service suitable for - disadvantage - parts - why not self starting - how started - phase splitting; production of rotating field from oscillating field - methods - starting coils - shading coils - character of the starting torque modification of armature for starting with heavy load clutch type of single phase induction motor; its action in starting commutator motors classification action of closed coil rotating in alternating field - the transformer pressure generated pressure self-induction pressure local armature currents; reason for sparking; how reduced - high resistance connectors - effect of low power factor efiect of frequency - series motor - features - adaptation neutralized series motor - conductive method - inductive method - shunt motors - repulsion motors difficulty with early motors - means employed to stop sparking essentials of single repulsion motors - the term repul sion induction motor - oompensated repulsion motor power factor of induction motors - its importance false ideas in regard to power factor - speed and torque of motors. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Genre : Fire control (Gunnery)
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Author : Nehemiah Hawkins
Genre : Technology & Engineering
Summary : Excerpt from Hawkins Electrical Guide, Number Eight: Questions, Answers and Illustrations; A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to Acquire a Working Knowledge of Electricity and Its Applications Filing tube coherer or detector - the codes - international Morse code and conventional Signals - list of abbreviations. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Summary : Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets and digital technology, information on the newest cars or the latest breakthroughs in science -- PM is the ultimate guide to our high-tech lifestyle.