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Home > Auction >  Science&Technology/MechanicalMusic/Fairground >  Lot.0417 14 Precision Instruments

LOT 0417 14 Precision Instruments

Starting price
EUR280
Estimate  EUR  500 ~ 800

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14 Precision Instruments 1) Kohlrausch's universal bridge, No. 1822, Hartmann & Braun, with comparative resistors from 0.1 to 1000 ?, induction coil and slide resistor, on mahogany base. - 2) Precision plug resistor with manganese wire-winding, Siemens & Halske, height 7 4/5 in. - 3) Plug resistor, Elliott Bros, London, brass case, height 4 1/3 in. - 4) Resistance bridge, Lenoir & Forster, Vienna, with comparative resistors from 0.1 to 1000 ?, 15 2/5 x 8 ¾ in. - 5) Measuring bridge model 391, Hartmann & Braun, with slide resistor, in mahogany case. - 6) Plug bridge, Ruhstrat AG, Göttingen, Germany, with marble plate on oak box. - 7) Boîtes de Résistances industrielles, J. Carpentier, Paris, large model, ebonite plate on wood box, 11 ¾ x 7 ½ in. - 8) 2 multi-way switches. - And: 9) 5 further plug-in bridges by Carpentier, GPO and others. 14 Präzisionsinstrumente 1) Kohlrausch's Universal-Brücke, Nr. 1822, Hartmann & Braun, mit Vergleichswiderständen von 0,1 bis 1000 ?, Induktionsspule und Schiebewiderstand, auf Mahagonisockel. - 2) Präzisions-Stöpselwiderstand mit Manganindrahtwicklung, Siemens & Halske, Höhe 20 cm. - 3) Stöpselwiderstand, Elliott Bros., London, Messinggehäuse, Höhe 11 cm. - 4) Widerstandbrücke, Lenoir & Forster, Wien, mit Vergleichswiderständen von 0,1 bis 1000 ?, 39 x 22 cm. - 5) Meßbrücke Modell 391, Hartmann & Braun, mit Schiebewiderstand, in Mahagonikasten. - 6) Stöpselbrücke, Ruhstrat AG, Göttingen, mit Marmorplatte auf Eichenkasten. - 7) Boîtes de Résistances industrielles, J. Carpentier, Paris, großes Modell, Ebonitplatte auf Holzkasten, 30 x 19 cm. - 8) 2 Mehrwegschalter. - Und: 9) 5 weitere Stöpselbrücken, Hersteller u.a. Carpentier und GPO. Start Price: EUR 280

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Koeln, NRW, DE

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