Chapter XIII: Electricity 305

Incandescent Electric Lamps--The Mazda Lamp--Candlepower--Lamp
Labels--Illumination--The Foot-candle--The
Lumen--Reflectors--Choice of Reflector--Lamp Transformers--Units
of Electrical Measurements--Miniature Lamps--Effects of Voltage
Variations--Turn-down Electric Lamps--The Dim-a-lite--Gas-filled
Lamps--Daylight Lamps--Miniature Tungsten Lamps--Flash Lights--The
Electric Flat-iron--The Electric Toaster--Motors, Fuse
Plugs--Electric Heaters--Intercommunicating Telephones--Electric
Signals--Buzzers--Burglar Alarms--Annunciators--Table
Pushes--Bell-ringing Transformers--The Recording Wattmeter--To
Read the Meter--State Regulation of Meter Service--Electric
Batteries--Battery Formation--Battery Testers--Electric
Conductors--Lamp Cord--Portable Cord--Annunciator Wire--Private
Electric Generating Plants--Storage Batteries--The Pilot
Cell--National Electrical Code--Electric Light Wiring--Outlet
Boxes--Automatic Door Switch--Plug Receptacles--Heater Switch,
Pilot and Receptacle--Service Switch--Local Switches--Pilot
Lights--Wall and Ceiling Sockets--Drop Lights.

INDEX 385

MECHANICS OF THE HOUSEHOLD