No. 14 111 „PATENTLISTE DER „ELEKTROTECHNISCHEN RUNDSCHAU.“ No. 599 930. Switch for electric circuits. Harry P Davis. Pittsburg & Ernest P. Herder, Wil- kensburg. No. 599 931. Electric arc lamp. Harry P. Davis, Pittsburg and Frank Conrad, Wilkinsburg. No. 599 947. Electrically-propelled vebicle. Philip R. Salberg, Pittsburg. No. 600 088. Current-Collector for dynamo electric machines. George W. Nell, Philadelphia. No. 600092. Electrically-operatedhoisting machinery. Alton J. Shaw, Muskegon. No. 600112. Electric switch. James J Flint, Denver. No. 600134. Electric locomotive. Harry Bitner, Chicago. No. 600 230. Electrotherapeutic exercisiug apparatus. Abr. Martin, Paris. No. 600252. Means for aresting matian of electric cars. Wilbur C. Anderson, West Hoboken. No. 600 265. Electrical meanswing instrument. Adrian, H. Hoyt, Penatook. No. 600380. Galvanic apparatus. Georg H. A 1 Schaeffer, Buffalo. No. 600381. Electric railway. Louise Scherpe, St. Louis. No. 600 457. Electric battery. Natan B. Stubblefleld, Murray. England. Folgende englische Patentschriften sind in den Wochen vom 23. bis 30, März im Drucke er schienen. 1897. No. 3831. Adams Electric batteries. No. 6787. Wise (Crehore & Squier). Electric tele- graphic Systems. No. 7314. Everhard. Accumulator plates or elec- trodes for secondary batteries. No. 7868. Hope-Jones & Bowell. Electrical clocks. No. 8906. Dary&Thomas-Davies. Electric couplings. No. 9456. Mc Lean & Burnet. Secondary batteries. No. 9631. Dünn. Plate for accumulators or electric storage batteries. No. 9968. Kerridge. Electric c.ontrol of gas No. 11190. Syte. Electrolysis of fused zinc Chloride. No. 11355. Hall & Clarke. Means for attaching shades to electric incandescent lamp holders. No. 13717. Gibbs. Switches for starting resistance for electric motors and other cases where resistances arc required. No. 17 545. Lolistein. Electric circuits closing de- vice. No. 18 730. Short Motor vehicles for electric rail- ways and tramways. No. 20449. Walkings and Jewett. Current eonduc- ting rails for electric railway Systems. No. 21180. Lewis & Howitt. Dynamo electric ma chinery. No. 24421. Lacke (Tesla). Systems for the trans- mission of electrical energy and apparatus for use therain. No, 29377. Wheatley (A. E. G.) Uninterchangeable electric incandescent lamps. No. 29 615. Spikins & Mayes. Electrical switches or variable resistances. No. 30 686. Hubell, Hubeil, Boyer & Mucklow. Pri- mary batteries. 1898. No- 30809. Thompson (The Strowger Automatic Telephone Exchance), calling devices for telephone exchange. No. 30 885. Langbein. Apparatus for electro platin articles in bulk and large quantities. No. 2024. Koenig. Primary batteries. No. 3841. Palm. Method of and means employed for connecting electric glow lamps to main conductors. Frankreich No. 272632. 29. 11. 97. Johannet, Paris. Supensian elastique des accumulateurs sous les voitures. No. 272666. 30. 11. 97. The Johnson Co., Paris. Chemins de fer electriques. No. 272532. 25. 11. 97. Dussand, Paris. Vision ä distance par l’intermetiaire des Als conducteurs de l’electricite. No. 272612. 29. 11. 97. Compagnie de l’Industrie Electrique, Paris. Porte-charbons perfectionne pour maschines electriques Ne. 272711. 1. 12. 97. Smith, Paris. Dynamos et moteurs blectriques. No. 272539. 26.11.97. Hess, Paris. Compensateur de Charge pour usines d’electricite. No. 272547. 26. 11. 97. Lombard-Gerin & Cie., Paris. Compteur de Charge pour usines d’elec tricite pour courants alternativ polyphases.