How to Install Electric Bells, Annunciators, and Alarms. Including Batteries, Wires and Wiring, Circuits, Pushes, Bells, Burglar Alarms, High and Low Water Alarms, Fire Alarms, Thermostats, Annunciators, and the Location and Remedying of TroublesCHAPTER IChapter 111 wordsPublic domainThe Leclanche cell--Polarization--Setting tip--The dry cell--The gravity cell--Connecting up cells 1