Inconsistent spellings (e.g. depolariser & depolarizer) and hyphenation(e.g. guttapercha & gutta-percha) are retained as in the original text.Minor punctuation errors are corrected without comment. Changes whichhave been made to the text (in the case of typographical errors) arelisted at the end of the book.
A Practical Book for Practical Men.
WITH MORE THAN 100 ILLUSTRATIONS.
BY S. R. BOTTONE,
CERTIFICATED BY SOUTH KENSINGTON (LATE OF THE COLLEGIO DEL CARMINE, TURIN, AND OF THE ISTITUTO BELLINO, NOVARA);
Author of "The Dynamo," "Electrical Instruments for Amateurs," &c.
LONDON: WHITTAKER & CO., Paternoster Square, E.C.
1889.
(All rights reserved.)
So rapidly has the use of electric bells and similiarsignalling appliances extended, in modern houses,offices, hotels, lifts, and ships, that every bell-fittermust have felt the need of accurate knowledge of themanner in which these instruments act and are made.
In the following pages the author has attempted tosupply this need, by giving full details as to the constructionof batteries, bells, pushes, detectors, etc., themode of wiring, testing, connecting up, localizing faults,and, in point of fact, by directing careful attention toevery case that can present itself to the electric-bellfitter.
Carshalton, Surrey,
November, 1888.
| chap. | page | ||
| I. | Preliminary Considerations | 1 | |
| II. | On the Choice of Batteries for Electric Bell Work | 18 | |
| III. | On Electric Bells and other Signalling Appliances | 59 | |
| IV. | On Contacts, Pushes, Switches, Keys, Alarms, and Relays | 109 | |
... BU KİTABI OKUMAK İÇİN ÜYE OLUN VEYA GİRİŞ YAPIN!Sitemize Üyelik ÜCRETSİZDİR! | |||