Resistance Bridges and Wattmeter, c. 1910
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Description
Resistance Bridges and Wattmeter, c. 1910
1) Resistance bridge with rheostat by "Hartmann & Braun", no. 667, with earphone. - 2) Precision wattmeter by "Siemens & Halske". - 3) Measuring bridge, 3 rotary knobs, by "Otto Wolff". - And: 4) Wheatstone measuring bridge with 18 plug resistors by Siemens & Halske.
Widerstandbrücken und Wattmesser, um 1910
1) Widerstandbrücke mit Rheostat von "Hartmann & Braun", Nr. 667, mit Hörer. - 2) Präzisions-Wattmesser von "Siemens & Halske". - 3) Meßbrücke mit 3 Dekaden von "Otto Wolff". - Und: 4) Wheatstone-Meßbrücke mit 18 Stöpselwiderständen von Siemens & Halske.
Start Price: EUR 180
1) Resistance bridge with rheostat by "Hartmann & Braun", no. 667, with earphone. - 2) Precision wattmeter by "Siemens & Halske". - 3) Measuring bridge, 3 rotary knobs, by "Otto Wolff". - And: 4) Wheatstone measuring bridge with 18 plug resistors by Siemens & Halske.
Widerstandbrücken und Wattmesser, um 1910
1) Widerstandbrücke mit Rheostat von "Hartmann & Braun", Nr. 667, mit Hörer. - 2) Präzisions-Wattmesser von "Siemens & Halske". - 3) Meßbrücke mit 3 Dekaden von "Otto Wolff". - Und: 4) Wheatstone-Meßbrücke mit 18 Stöpselwiderständen von Siemens & Halske.
Start Price: EUR 180
Condition
(3/-)
Buyer's Premium
- 26.8%
Resistance Bridges and Wattmeter, c. 1910
Estimate €300 - €500
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