LOT 0410 Physical Laboratory Instruments and Two Electric Motors
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Physical Laboratory Instruments and Two Electric Motors 1) Lummer-Brodhun photometer, for calculating the luminosity of a light source by comparing it to a source of known brightness, on stand. - 2) Normal resistance, Otto Wolff, Berlin, 0,1 ? at 20 ºC. - 3) Siren according to the pattern of Gagniard de Latour, by Zukriegel, Prague, original lacquered brass, with 2 counters, height 10 in. - 4) Insulation tester, Siemens & Halske, with needle galvanoscope and crank inductor, in walnut case. - 5) 2 potentiometers, on mahogany boards. - 6) Two-cylinder pump, brass, width 9 in. - 7) U.S. Army Signal Corps Dynamotor DM-35-D, by Electrolux Corporation, 12 volts. - 8) Ohmmeter, Hartmann & Braun, in mahogany case. - 9) Small electric motor, unmarked, 35-80 volts, copper brushes, with 2 belt drives. - And: 10) 3 further parts. Physikalische Laborinstrumente und 2 Elektromotoren 1) Lummer-Brodhun-Photometer, zur Berechnung der Leuchtkraft einer Lichtquelle durch Vergleich mit einer Quelle bekannter Helligkeit, auf Stativ. - 2) Normal-Widerstand, Otto Wolff, Berlin, 0,1 ? bei 20 ºC. - 3) Sirene nach "Cagniard de Latour", Hersteller: Zukriegel in Prag, original zaponiertes Messing, mit 2 Zählwerken, Höhe 25 cm. - 4) Isolationsprüfer, Siemens & Halske, mit Nadelgalvanoskop und Kurbelinduktor, in Nußbaumkasten. - 5) 2 Potentiometer, auf Mahagonisockeln. - 6) Zweizylinder-Pumpe, Messing, Breite 22,5 cm. - 7) U.S. Army Signal Corps Dynamotor DM-35-D, Electrolux Corporation, 12 Volt. - 8) Ohmmeter, Hartmann & Braun, in Mahagonigehäuse. - 9) Kleiner Elektromotor, unbezeichnet, 35-80 Volt, Kupferbürsten, mit 2 Riemenscheiben. - Und: 10) 3 weitere Teile. Start Price: EUR 180
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