No. 9 71 PATENTLISTE DER „ELEKTROTECHNISCHEN RUNDSCHAU.“ No. 704092. Contact System for eleitrie railways Th. B. Patch, North Cambridge. 29. 11. 01. No. 704093. ; Contact System for electric railways. Th. B. Patch, North Cambridge. 4. 4. 02. No. 704099. Electric-motor regulation. 0 H. Pieper and A. F. Pieper, Rochester. 24. 3, 99. No. 704108. Program-clock. 0. D. Rice, Winthrop. 30. 7. 01. No. 704117. Signaling System. J. J. Ruddick, Newton. 26. 7. 01. No. 704125. Battery. W. T. Seddon, Minersville. 20. 7. 01. No. 704127. Combined district telegraph and tele- phone signal. Ch. Seiden, Baltimore. 25.1. 02. No. 704135. Station - indicator. H. T. Smith and A. J. Tarrant, Christchurch, New - Zealand. 14. 1. 02. No. 704165. Telegraphie safety device. S. R.Wright, Morton. 13. 12. 01. No. 704177. Electrical apparatus for operating rail- way switches and signals. Th.Duconsso, Paris, France. 22. 9. 98. No. 704245. Means for transmitting rotary motion. P. W. Dünne, River Forrest. 30. 1. 01. No. 704246. Burglar - alarm. P. W. Dünne, River Forrest. 30. 3. 01. No. 704 247. Burglar - alarm. Charles Truehanf. Chicago. 26. 12. 01. No. 704264. Controlling System for electric hoistsor elevators. A. E. Maccoun, Braddock. 29. 4. 98. Belgien. No. 165526. Siemens n. Halske, Actien-Gesellschaft, Berlin. 10. 9. 02. Dispositif de sürete pour machines d’extraction actionnees ä l’electricite. No. 165527. Siemens u. Halske, Actien-Gesellsehaft, Berlin. 10. 9. 02. Dispositif pour regier le courant absorbe par des electromoteurs. No. 165544. Barthelemy, Le Havre. 12, 9. 02. Perfectionnements aux microphones. England. 1901. No. 20187. Casewitz. Telegraphing and apparatus for that purpose. No. 20283. Foresio. Repeators for wireless tele- graphy. No. 21984. Radiguet and Massiot. Electric coils for oscillatory disc'narge. No. 21 878. Morgan. Electric time switches. No. 21974. Griffiths and Bedell. Collector for use on electrically propelled or lighted vehicles. No. 22012.~ Lander & Simplex Steel Conduit Co. Ld. Fittings for conduit Systems of electric wiring. No, 22037. Hobart. Armature windings for dynamo electric machines. No. 22220. Murray. Perforators for electric tele- graphs. No. 23038. Branso. Electric arc lamps. No. 23115. Lamme. Windings for electrical machines. No. 24276. Jandus Arc Lamp and Electric Co., Ld., and Jones. Electric arc lamps. No. 24470, Abel. Electricity meters. 1902. No. 1546. Me Gillivray. Lighting of electric cars operated by the overhead conductor System. No. 2552. Hardman. Electric couplings or terminals. No. 5981. Blanchard. Rail bonds or Connections for electric railways. No. 11076. British Thomson - Houston Co., Ld. Electric arc lamps. No. 12474. Shoemaker. Wireless telegraphic and telephonic Systems. No. 13593. Prött. Electric commutators for tele graphic, telephonic, and other like purposes. No. 14676. Brown. Electric railways on the surface contact System. No. 15954. Haskins. Electric switches. No. 17 712. Stewart. Hot wire electric meters. Frankreich. No. 322057. 13. 6. 02. Compagnie de Fives - Lille. Interrupteur permettant d’interrompre Sans danger les circuits inductifs. No. 322095. 14. 6. 02. Portillo. Systeme d’embran- chement onprixde courantpour les installations electriques.