Telephone Construction, Installation, Wiring, Operation and MaintenanceN.W. Henley Publishing Company, 1914 - 223 стор. |
З цієї книги
Результати 1-5 із 23
Сторінка 2
... joining the terminals of the coils c and together as in Fig . 1. The variation in the electromotive force produced in the coil c will now cause a varying current of electricity in the coil of telephone B , and this in turn will cause a ...
... joining the terminals of the coils c and together as in Fig . 1. The variation in the electromotive force produced in the coil c will now cause a varying current of electricity in the coil of telephone B , and this in turn will cause a ...
Сторінка 20
... joining with a copper wire the positive plate of one cell to the negative plate of the other , the remaining plates of the two cells serving at the terminals of the battery . When thus connected the total voltage is the sum of the ...
... joining with a copper wire the positive plate of one cell to the negative plate of the other , the remaining plates of the two cells serving at the terminals of the battery . When thus connected the total voltage is the sum of the ...
Сторінка 50
... joined to the interior circuits of the tele- phone set and to the line wires as already ex- plained . If , then , a lightning discharge comes in m u d r e s h on either of the line wires , its high voltage enables it to jump the short ...
... joined to the interior circuits of the tele- phone set and to the line wires as already ex- plained . If , then , a lightning discharge comes in m u d r e s h on either of the line wires , its high voltage enables it to jump the short ...
Сторінка 51
... joined in series upon a line , and the ringing current from any one of them will operate all of the bells simultaneously . The magnet coils of ringers in series tele- phone sets are , there- fore , wound to as low a resistance as ...
... joined in series upon a line , and the ringing current from any one of them will operate all of the bells simultaneously . The magnet coils of ringers in series tele- phone sets are , there- fore , wound to as low a resistance as ...
Сторінка 52
... joined together as indicated . Fig . 35 shows 4 series telephone sets wired in series on a complete me- tallic circuit . The ground is then used only for the light- ning - arrester nections . con- The Interior Wir- ing Between the Tel ...
... joined together as indicated . Fig . 35 shows 4 series telephone sets wired in series on a complete me- tallic circuit . The ground is then used only for the light- ning - arrester nections . con- The Interior Wir- ing Between the Tel ...
Інші видання - Показати все
Telephone Construction: Installation, Wiring, Operation and Maintenance ... William Hiram Radcliffe Попередній перегляд недоступний - 2015 |
Telephone Construction: Installation, Wiring, Operation and Maintenance ... William Hiram Radcliffe Попередній перегляд недоступний - 2017 |
Загальні терміни та фрази
alternating current ampere armature automatic binding posts bolt brace called cents clamp complete metallic circuit Concrete conductors conduit connected construction containing copper copper wire cord cross-arms desk set diaphragm distributing board Dry cells electrical electromotive force exchange switchboard extension bell fastened feet fully illustrated gage gas engines gear ground heat coil HISCOX hole hook switch inches induction coil installation insulated iron wire jack lamp Leclanché cell lightning arrester line circuit line drop line wires machine magnet magneto bell mechanical method mounted O'CONOR SLOANE ohms operator operator's pair party party-line systems pipe placed plate plug pole position practical primary winding Protective Apparatus receiver resistance ringing key rope rubber screw sheath shown in Fig shows shunt side signal sleeve soldered spring steam steel storage battery switch arm tele Telephone Circuit telephone set terminals Testing tion transmitter usually wall set zinc
Популярні уривки
Сторінка 6 - A NEW SKETCHING PAPER. A new specially ruled paper to enable you to make sketches or drawings in isometric perspective without any figuring or fussing. It is being used for shop details as well as for assembly drawings, as it makes one sketch do the work of three, and no workman can help seeing just what is wanted. Pads of 40 sheets, 6x9 inches, 25 cents.
Сторінка 9 - WIRING A HOUSE. By HERBERT PRATT. Shows a house already built; tells just how to start about wiring it; where to begin; what wire to use; how to run it according to Insurance Rules; in fact, just the information you need. Directions apply equally to a shop. Fourth edition . . 25 cents FACTORY MANAGEMENT.
Сторінка 13 - LOCOMOTIVE BREAKDOWNS AND THEIR REMEDIES. By GEO. L. FOWLER. Revised by WM. W. WOOD, Air-Brake Instructor. Just issued. Revised pocket edition. It is out of the question to try and tell you about every subject that is covered in this pocket edition of Locomotive Breakdowns. Just imagine all the common troubles that an engineer may expect to happen some time, and then add all of the unexpected ones, troubles that could occur, but that you...
Сторінка 11 - The laying out of cams is a serious problem unless you know how to go at it right. This puts you on the right road for practically any kind of cam you are likely to run up against.
Сторінка 4 - It has been the aim of the authors, in preparing this book, to produce one which shall be of use and benefit to those who are associated with, or interested in, the modern developments of the industry. Contents: Chap.
Сторінка 12 - Triple Valve for Freight Service; and the Cross-Compound Pump. The operation of all parts of the apparatus is explained in detail, and a practical way of finding their peculiarities and defects, with a proper remedy, is given. It contains 2,000 questions with their answers, which will enable any railroad man to pass any examination on the subject of Air Brakes. Endorsed and used by air-brake instructors and examiners on nearly every railroad in the United States.
Сторінка 7 - COMMUTATOR CONSTRUCTION. By WM. BAXTER, JR. The business end of any dynamo or motor of the direct current type is the commutator. This book goes into the designing, building, and maintenance of commutators, shows how to locate troubles and how to remedy them; everyone who fusses with dynamos needs this.
Сторінка 15 - This is a collection of 1,890 engravings of different mechanical motions and appliances, accompanied by appropriate text, making it a book of great value to the inventor, the draftsman, and to all readers with mechanical tastes. The book is divided into eighteen sections or chapters, in which the subject-matter is classified under the following heads: Mechanical Powers; Transmission of Power; Measurement of Power; Steam Power; Air Power Appliances; Electric Power and Construction; Navigation and...
Сторінка 20 - THREADS AND THREAD CUTTING. By COLVIN and STABEL. This clears up many of the mysteries of thread-cutting, such as double and triple threads. internal threads. catching threads. use of hobs. etc. Contains a lot of useful hints and several tables.