Popular electricity magazine in plain English (1912)
Chicago, Ill. : Popular Electricity Pub. Co. · leaf 688
att lamps are installed directly abovethe operating table and ventilation isfacilitated by an eighteen-inch fan drivenby a % horsepower, 110 volt motor. In the diagnosis rooms and laboratorieselectric reflector lamps attached to headbands are in service, and electricallyheated instrument… … A Complete Engraving Plant on a Railroad Car — Making the Plates for Illustrations clock system and a complete set of inte-rior telephones, floor bells, corridor, pilotand night lamps are in service and thenurses croquet ground is illuminated forevening games by incandescent lamps ofsixteen…
Electricity
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