. Electrical world. ;while a single large magnet acco filed Feb. 21. 1902. A numbered to select the key to be operated,npHshes the striking of any selected key. 762,669. INSULATED JOINT; George A. Weber and Percy Holbrook,New York, N. Y. .-Xpp. filed Nov. 13. 1903. An insulated rail joint, com-prising the meeting ends of pairs of rails, with a plurality of longitudinally-extending filling blocks arranged side by side between the rails, and boltsfor securing the parts of the joint together. 762,671. AUTOMATIC POTENTIAL REGULATOR; Wm. S. Andrews, Sche-nectady, N. Y. App. filed Oct. 1. 1902.
. Electrical world. ;while a single large magnet acco filed Feb. 21. 1902. A numbered to select the key to be operated,npHshes the striking of any selected key. 762,669. INSULATED JOINT; George A. Weber and Percy Holbrook,New York, N. Y. .-Xpp. filed Nov. 13. 1903. An insulated rail joint, com-prising the meeting ends of pairs of rails, with a plurality of longitudinally-extending filling blocks arranged side by side between the rails, and boltsfor securing the parts of the joint together. 762,671. AUTOMATIC POTENTIAL REGULATOR; Wm. S. Andrews, Sche-nectady, N. Y. App. filed Oct. 1. 1902. The invention consists of a mul-tiple pole switch having a plurality of pairs of stationary contact seg-ments, a movable arm carrying a single pair of contacts adapted to bridgeeach pair of stationary segments in succession and terminals _ connectedwith the contacts on the arm and adapted to be connected with a volt-meter. 762,675. MULTIPLE POLE VOLTMETER SWITCH;Schenectady, N. Y. App. filed July 27, 1901. The <. 762 762,.7«2, 76a, nd around the resistance. 715- ELECTRICAL BATTERY; Juliifiled Feb. 8, 1904. (See page 1:98.) vention consists in the shape of the pole hface for the adherence of magnetic particles is provided762,752. APPARATUS FOR MAGNETIC SEPARATION; ClarenctPayne, Stamford, Conn. App. filed Aug. 30, nany received no 190I actual notice whereby large cone, attached, I be cut amodificatlonot ^ulated the preceding invention. igainst 762,753. APPARATUS FOR MAGNETIC SEPARATION; Clarence Payne, Stamford, Conn. App. filed Oct. 3, 1903. A further modification. RAIL; Louis Steinberger, New York, N. Y. App. filed Dec. 16,1903. The third rail is L-shaped in cross section and saddled loosely uponthe supports which permit it to rock. SUPPORT FOR RAILS; Louis Steinberger, New York, N. Y. Feb. 11, 1904. Another construction permitting of freedom ofmovement of an ordinary T-third raiL
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
