Telephone Construction, Installation, Wiring, Operation and MaintenanceN.W. Henley Publishing Company, 1914 - 223 стор. |
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Сторінка 19
... Battery . Telephone work for the purposes considered in this book requires the use of pri- mary batteries ; in other words , batteries in which zinc is consumed by chemical action to generate S electricity . A battery consists of two or ...
... Battery . Telephone work for the purposes considered in this book requires the use of pri- mary batteries ; in other words , batteries in which zinc is consumed by chemical action to generate S electricity . A battery consists of two or ...
Сторінка 20
... batteries mentioned . The cells are connected in series by 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 ...
... batteries mentioned . The cells are connected in series by 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 ...
Сторінка 21
... battery is the sum of the internal resist- ances of the two cells . The best results are usually obtained by having both cells of the same form and size , and both must be of the same C d . DISQUE LECLANCHE CE - CO m kind ; that is ...
... battery is the sum of the internal resist- ances of the two cells . The best results are usually obtained by having both cells of the same form and size , and both must be of the same C d . DISQUE LECLANCHE CE - CO m kind ; that is ...
Сторінка 23
... BATTERY PIN CIRCUIT SERVICE ONLY APPEIANCE COMPANY CHICASO t a FIG . 15. - The Dry Cell made at the binding screw a . Within this is packed the negative carbon plate c in a mixture usually composed of sal - ammoniac , chloride of zinc ...
... BATTERY PIN CIRCUIT SERVICE ONLY APPEIANCE COMPANY CHICASO t a FIG . 15. - The Dry Cell made at the binding screw a . Within this is packed the negative carbon plate c in a mixture usually composed of sal - ammoniac , chloride of zinc ...
Сторінка 25
... Batteries . - The second- ary battery operates on practically the same principles as the primary batteries , as far as cur- 25.
... Batteries . - The second- ary battery operates on practically the same principles as the primary batteries , as far as cur- 25.
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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
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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.