80 PATENTLISTE DER „ELEKTROTECHNISCHEN RUNDSCHAU. Ne. 10. Amerika. Die Patenschriften sind gedruckt erhältlich. No. 666 255. C. Atkinson Cardiff. Electric switch and resistance. No. 666 306. J. Ehlers, Hamburg. Electric railway. No. 666 315. F. Johnson Binghampton. Method of construction or electric motors. No. 666418. E. Gold, New-York. Electric heater. No, 666444. G. Thompson, Maiden. Telephone Exchange central Station switch board appa- ratus. No. 666454. H. Ball, New-York. Electrical mea- suring instrument. No. 666618. C. Wright, Chicago. Electric igniter. No. 666 874. A. Bullard, Chicago. Apparatns for telephone toll-lines. No. 665 887. J. Daizell, Lynn. Electric arc lamps. No. 665923. F. Mc Berty. Telephonic appliance. No. 665 943. J. Trumbull, Plaiwille. Electric cut out. No. 666 080. P. Williams. Washington. Eleetrically controlled and operated railway switch. No, 666105. E. Lufbery, Chany. Electric igniter for explosion motors. No. 666157. A. Rietzei, Lynn, Electric welding apparatus. No. 666183. F. Clark, Pittsburg. Electromagnetic brake. No 666 213. G. Thompson, Maiden. Telephone exchange Circuit and appliance. Belgien. No. 6134. Surmont. 22, XI. 00. Bruxelles. Systeme de Ventilation meeanique on electrique pour machines ä polir ou ä meater le metaux. No. 6159. Leverkus. 24. XI. 00. Bruxelles. Dynamo- metre. No. 6195. Jrwin. 24. XI. 00. Bruxelles. Yehicules ä traction electrique. No. 6241. Litz. 30. XI. 00. Bruxelles. Crampon d’attache pour Als electrieque. No 6289. Horn. 4. XII. 00. Bruxelles. Relais on repetiteur telephonique. England. Folgende Patentschriften sind in den Wochen vom 9—16. I, 1901 im Drucke erschienen. No. 814. Lamme. Methode of and installation for operating two phase electric motors. No. 2047. Eckstein. Automatic electric switches or cut outs. No. 2767. Nessel. Long distance relay magnetic telephones. No. 3237, Chamberlain. Electricity meters No. 3461 Westinghouse Brake Co. Ld. Electro magnetic brakes. No. 3922. Krall. Holders for electric incandescent lamps. No. 4787. Ailken, Telephone intercommunication Systems. No. 5928. Ailkan. Telephone divided multiple lovard Systems. No. 13 874. Whittingham. Automatic electric Circuit Controllers. No. 15 380. British Thompson Houston Co. Ld. Systems of electrical distribution. Mo. 21645. Clarke. Electric switches. No. 21701. Sterne. Telephony. No. 22605. Müller. Plate holders for , electric accumulators. No. 22607. Müller. Electric accumulator cells. Oesterreich. Rauer Ewarist und Chwalibogowski Boleslaw in Krakau. Galvanisches Eisenelement. 31. X. 1900. Börsen-Bericht. Frankfurt a. M. 26. Jan, 9. Febr. Akkumulatorenfabrik Hagen 126.- 125.— Akkumulatorenwerke Pollak 106.70 106.50 Allgemeine Elektriz.-Ges. 210.— 209.50 Aluminium (50°/ 0 Inh.) 167.30 154.50 Siemens & Halske 159.80 159.30 Helios 75.- 81.— Elektr. A. G. Schuckert 168.90 170.25 Elektr. Ges. Lahmeyer 141.— 141.50 Elektr. Untern. Zürich Fr . 128.— 128.— Hedd. Kupferwerke (Hesse) 79.— 78.50 Iternat. Elektr. Wien öster. fl. —.— - .— Ungar. Elektr.-Aktiengesellsch. fl. 116.— 119.— Berlin. 26. JaD, 9. Febr. Kupfer: Chilibars Lstr. 71.16.3 per 3 Monate. Blei: spanisch Lstr. 16.2.6 per ton. Berliner Elektrizitätswerke 184.50 187.90 Berliner Maschinenbau-Gesell. 195.— 195.— Mix & Genest 186.- 183.50 Stettiner Elektrizitäts-Werke 135.- 131.50 London. Kupfer: Chilibars Lstr. 71.2.6 per 3 Monate. Blei: spanisch Lstr. 15.—.— per ton.