. Electrical world. ng mechanism for 1 m circui OPERATING STOCK BOARDS; Geo. S. Gallagher, ?°l5lw yE N Y Ap° fil?d April 29, .903. Stock quotations are printed upo™ Ta^s thkt are moved across the face of a quotation ,081. cfR SIGNAL; Geo: M. Lane, Brooklyn, N. Y. App. filed May .4, 100^. Details. ,^ . c^ j 752,084. RAILROAD SIGNAL; John K. Leedy, Roanoke, Va. App. filed Nov 10, 1002. Details. „,.,,. ^ ,«ob7 AUTOMATIC STARTER FOR ELECTRIC MOTORS; William C. aSrifn Baltimore. Md. App. filed May 4, 1903. Details. Tunr T pv FTVDFR- Flisha S Stitt, Newton, Mass. App. tilea•Oci. 17 ?902 A l
. Electrical world. ng mechanism for 1 m circui OPERATING STOCK BOARDS; Geo. S. Gallagher, ?°l5lw yE N Y Ap° fil?d April 29, .903. Stock quotations are printed upo™ Ta^s thkt are moved across the face of a quotation ,081. cfR SIGNAL; Geo: M. Lane, Brooklyn, N. Y. App. filed May .4, 100^. Details. ,^ . c^ j 752,084. RAILROAD SIGNAL; John K. Leedy, Roanoke, Va. App. filed Nov 10, 1002. Details. „,.,,. ^ ,«ob7 AUTOMATIC STARTER FOR ELECTRIC MOTORS; William C. aSrifn Baltimore. Md. App. filed May 4, 1903. Details. Tunr T pv FTVDFR- Flisha S Stitt, Newton, Mass. App. tilea•Oci. 17 ?902 A liwPng fork for the wheel-arranged to be held fn opera- tive position by tension on the cord. ., ., . ci j -,, ,,. PANEL BOARD; Hans O. Swoboda. East Orange, N. T. App. tiled ? Dec f- .902 S«^ches comprising two blades are arranged between the W bars one blade being connected to one bar while the other is con-nected to the other bar, the movement of the switch thus connecting and disconnecting the :,374 AUTOMATIC CHECK DEVICE FOR TROLLEY CORDS; SethBuckland, Springfield, Mass. App. filed April 22, 1903. A spring- atchet arrangement for retracting the trolley752,376. ELECTRIC BRUSH HOLDER; De Witt C. Cookingham, Cleveland, O. App. filed Cict. 15. 1903. Details of ,391. ELECTRIC MOTOR; Christian Fleischmann, Bloomfield, N. J. June 24, 1903. Commutation is shifted by rotating the field magnetinstead of the ,251. \TIC TELEPHONE SYSTEM; John K. Norstrom and John f. Brownrigg. Chicago, 111. App. filed June 28, ,405. TRANSFORMER; Charles B. McCurdy, Warren, O. App. filedApril 24, 1902. Certain improvements in transformers intended for usein connection with a three-wire ,408. ELECTRICAL APPARATUS FOR PRODUCING SOUND SIG-NALS; Charles H. OBrien, Augusta, Me. App. filed Nov. 1, 1902. Adiaphragm is caused to produce a sound by the action of the core of aninduction coil and of a permanent magnet inside of the cor
Size: 1800px × 1388px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
