Electric bells and all about them

Electric bells and all about them

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BellsElectric THEMABOUTALLa-^TAND S.R.BOTTONE! BELLS ANDELECTRIC ABOUT THEM.ALL ?Practiral jUm.Prarttral 1800k f0r^ THAN loo ILLUSTRATIONS.WITH MORE BY I' S. R. BOTTONE, CERTIFICATED BY SOUTH KENSINGTON (LATE OF THE COLLEGIO DEL CARMINE, TURIN, AND OF THE ISTITUTO BELLING, NOVARa); ^^Author ^'' The Dyjiamo," Electrical Instrumentsof for Amateurs,''^ ^c. LONDON: WHITTAKER & CO., Paternoster Square, E.G. i»»9. {All rights reserved.) !5 ;€ PREFACE. rapidly has the use of electric bells and similiarSo in modern houses,signalling appliances extended, offices, hotels, lifts, and ships, that every bell-fitter of accurate knowledge of themust have felt the need manner in which these instruments act and are made. toIn the following pages the author has attempted supply this need, by giving full details as to the con- struction of batteries,' bells, detectors, etc.,pushes, the mode of wiring, testing, connecting up, localizing faults, and, in point of fact, by directing careful attention to every case that can present itself to the electric-bell fitter. Carshalton, Surrey, November, 1888. Digitized by the Internet Archive in 2007 with funding from IVIicrosoft Corporation http://www.archive.org/details/electricbellsallOObottuoft CONTENTS. CHAP. PAGE I. iPreliminary Considerations II. On the Choice of Batt'eries for Electric Bell Work i8 III. On Electric Bells and other Signalling Appliances 59 IV. On Contacts, Pushes, Switches, Keys, Alarms, AND Relays 109 V.

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BellsElectric
THEMABOUTALLa-^TAND
S.R.BOTTONE!BELLS ANDELECTRIC
ABOUT THEM.ALL
?Practiral jUm.Prarttral 1800k f0r^
THAN loo ILLUSTRATIONS.WITH MORE
BY
I'
S. R. BOTTONE,
CERTIFICATED BY SOUTH KENSINGTON (LATE OF THE COLLEGIO
DEL CARMINE, TURIN, AND OF THE ISTITUTO
BELLING, NOVARa);
^^Author ^'' The Dyjiamo," Electrical Instrumentsof for
Amateurs,''^ ^c.
LONDON:
WHITTAKER & CO., Paternoster Square, E.G.
i»»9.
{All rights reserved.)!5
;€PREFACE.
rapidly has the use of electric bells and similiarSo
in modern houses,signalling appliances extended,
offices, hotels, lifts, and ships, that every bell-fitter
of accurate knowledge of themust have felt the need
manner in which these instruments act and are made.
toIn the following pages the author has attempted
supply this need, by giving full details as to the con-
struction of batteries,' bells, detectors, etc.,pushes, the
mode of wiring, testing, connecting up, localizing faults,
and, in point of fact, by directing careful attention to
every case that can present itself to the electric-bell
fitter.
Carshalton, Surrey,
November, 1888.Digitized by the Internet Archive
in 2007 with funding from
IVIicrosoft Corporation
http://www.archive.org/details/electricbellsallOObottuoftCONTENTS.
CHAP. PAGE
I. iPreliminary Considerations
II. On the Choice of Batt'eries for Electric Bell
Work i8
III. On Electric Bells and other Signalling
Appliances 59
IV. On Contacts, Pushes, Switches, Keys, Alarms,
AND Relays 109
V. On Wiring, Connecting andup, Localising
Faults 144