. Electrical world. p. filed Sept. 4, 1902. (See page 176.)749,426. LIGHTNING ARRESTER; Wiljiam E. Cone, Memphis, Mo. May 28, 1903. Details. 749,434. WIRELESS SIGNALING APPARATUS; Lee De Forest, New Y. App. filed June 4, 1903- The spark determining member of thetransmitting apparatus cuts the indicating member of the repeating ap-paratus out of the circuit during the time of each spark in the transmit-ting apparatus, 749435. GENERATING SET FOR WIRELESS TELEGRAPHY; Lee DeForest, New York, N. Y. App. filed June 17, 1903. The set comprisesan explosive engine, a dynamo, a choke-t


. Electrical world. p. filed Sept. 4, 1902. (See page 176.)749,426. LIGHTNING ARRESTER; Wiljiam E. Cone, Memphis, Mo. May 28, 1903. Details. 749,434. WIRELESS SIGNALING APPARATUS; Lee De Forest, New Y. App. filed June 4, 1903- The spark determining member of thetransmitting apparatus cuts the indicating member of the repeating ap-paratus out of the circuit during the time of each spark in the transmit-ting apparatus, 749435. GENERATING SET FOR WIRELESS TELEGRAPHY; Lee DeForest, New York, N. Y. App. filed June 17, 1903. The set comprisesan explosive engine, a dynamo, a choke-transformer, step-up transformer,a sparking circuit and a radiating conductor. 749,436. WIRELESS TELEGRAPH RANGE FINDER; Lee De Forest, NewYork, N. Y. App. filed June 17, 1903. -^ distance indicator comprisinga variable resistance adapted to be inserted in the circuit with the indi-cating device in quantities having values proportioned to different distances. ELECTRICAL CONTROLLING APPARATUS; John D. Ihlder,. —Syncl Yonkers, N. Y. App. filed March 22^ 1902. The speed of ai> alternating current motor can be automatically changed while it is in ,442. OUTLET BOX; Hubert Krantz, Brooklyn, N. Y. App. filed May 25, 1903. The openings are covered by removable disks 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


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883