Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 207
742. ELECTRIC HEATER.—Coils of German silver wirewound around asbestos cords and rove over porcelain buttons forinsulation. The buttons may be fastened to a frame of any requiredform. ^1- I -^^ mmm^^^- 743. ELECTRIC SOL>BERING COPPER.— The copper is wound witha coil of resisting material;… … 744. ELECTRIC SAD IRON.—The ironis a shell frame with a smooth face on thebottom. A resistance coil made of iron,German silver, or platinum, insulated with as-bestos, is wound in spirals as near the bot-tom plate as can be made available for thegreatest amount of heat.
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
