45, COENHILL, B.C., AND 122, REGENT STREET, W., LONDON. 465 



FIG. 2822. 



2822 Diagram fig. 2822, showing how to connect up a number of Pushes to Indicator, 

 BeU and Battery, one Wire from Battery to Bell. 



One wire from each Push to the corresponding terminal on the Indicator Fra'me. 



One Wire from the Bell to return terminal on the Indicator. 



One main wire from the Battery, to which one wire from each Push is to^be 

 connected. 



CONNECTION OF . CELLS 



LECLANCHE BATTERIES. 



SMEE'S BATTERIES. 



INSTRUCTIONS FOB CHARGING THE LECLANCHE BATTERY. 



2823 Place the Sal-ammoniac sent, in the glass jar of Battery, and then add water 

 to about three-parts fill the jar. Allow to stand for ten hours before use. 



When the Battery becomes weak, fresh Sal-ammoniac and water should be 

 used. See also page 434. 



2824 Clock, arranged with Electric Alarum, to ring a Bell or Bells at any distance 



away. Price, with superior Clock 330 



Electric Bell and Battery, for use with above . . . .110 

 Conducting Wire covered with Gutta Percha, for use with above, specially 



suited for out-of-door use per 100 yards 10 6 



2825 Time Clocks, for Factory, to ring automatically at various working hours. 



The times can be altered when required. Price of best London made Clock 



10 10 12 12 

 Price of Bells, Connections, Wire, &c., as may be required. Estimates supplied. 



