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 Troubles

CHAPTER III

Chapter 325 wordsPublic domain

Bell wires--Joints--Running wires--How to put up a door bell--Combinations of bells, pushes and batteries--Faults in bells, faults in wiring--How to locate and remedy faults 23