. Electrical world. which are held in place by radially projecting TELEPHONE-TRANSMITTER; Philip G. Randall, Boston, Mass. App. filed Feb. 9, 1903. (See page 179.) ELECTRIC FURNACE; LeRoy W. Stevens and Bernard Timmer-man, Chicago, III. App. filed Aug. 8, 1902. (See page 176.) ELECTRIC FURNACE; LeRoy W. Stevens and Bernard Timmer-man, Chicago, III. App. filed Oct. 29, 1902. (See page 176.) FURNACE; LeRoy W. Stevens and Bernard Timmerman, App. filed Oct. 30, 1902. (See page 176,) 749,481. TELEPHONE REPEATER: Merritt Gaily, Brooklyn, N. Y. Ap
. Electrical world. which are held in place by radially projecting TELEPHONE-TRANSMITTER; Philip G. Randall, Boston, Mass. App. filed Feb. 9, 1903. (See page 179.) ELECTRIC FURNACE; LeRoy W. Stevens and Bernard Timmer-man, Chicago, III. App. filed Aug. 8, 1902. (See page 176.) ELECTRIC FURNACE; LeRoy W. Stevens and Bernard Timmer-man, Chicago, III. App. filed Oct. 29, 1902. (See page 176.) FURNACE; LeRoy W. Stevens and Bernard Timmerman, App. filed Oct. 30, 1902. (See page 176,) 749,481. TELEPHONE REPEATER: Merritt Gaily, Brooklyn, N. Y. App. filed April 18, 1903. (See page 179.)749,495. ELECTRIC STRIKING CLOCK; William Olson, Jersey City, N. J. App. filed Dec. 31, 1902. ,500. MINERS ELECTRIC LAMP; Henry G. Prested, Camden Town, England. App. filed Feb. 7, 1903. The combustible gas diffusing through a porous diaphragm at a rate different from that at which air diffuses,. is utilized to move a contact controlling the circuit of a glow lamp .. —Ell TROLLEY: Willis D. Williams, Kirkland, Arizona Ter. App. filedAug, 19, 1903. The flanges of the wheel are flanked by spiders, the armsof which project to retain the wheel on the wire. 749,584- WIRELESS SIGNALING SYSTEM: Harry Shoemaker, Philadel-phia, Pa. App. filed Oct. 3, 1902. A plurality of local circuits controlledby the wave-responsive device, each circuit containing means for selectinga certain message to the exclusion of other messages which may be simul-taneously received. ELECTRIC RAILWAY SWITCH; Johann G. Weniger, New Y. App. filed June 9, 1903. Details. 749,601. TROLLEY HARP DEVICE; Frederick H. Allen, Dunkirk, N. filed Nov. 2, 1903. A construction enabling the wheel to be quickly-removed and replaced. 749,628. ELECTRIC HEATER; George J. Peacock, Pittsburg, Pa. App. filedApril 19, 1902. An electric heater embedded in protective material sur-rounding a water plug. 749,633- ELECTRICAL HOSE SIGNALING APPARATU
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
