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Standard Meter "Otto Fennel", c. 1895 Signed: "Fennel, Kassel", serial no. 79
Standard Meter "Otto Fennel", c. 1895 Signed: "Fennel, Kassel", serial no. 79079, lacquered brass, both sides with silver plates for the final lines, with inbuilt thermometer, with inscription: "One meter at 20 °C", missing one thread, in mahogany box.
Urmeter "Otto Fennel", um 1895 Normal- und Kontrollmeter, signiert "Fennel, Kassel", Nr. 79079, Messing, Endstriche auf eingelassenen Silberplättchen, mit eingebautem Thermometer, darunter beschriftet: "Ein Meter bei 20 °C", ein Gewinde fehlt, in Mahagonikasten.
Condition: (3/-)
Starting Price: €180
Standard Meter "Otto Fennel", c. 1895 Signed: "Fennel, Kassel", serial no. 79079, lacquered brass, both sides with silver plates for the final lines, with inbuilt thermometer, with inscription: "One meter at 20 °C", missing one thread, in mahogany box.
Urmeter "Otto Fennel", um 1895 Normal- und Kontrollmeter, signiert "Fennel, Kassel", Nr. 79079, Messing, Endstriche auf eingelassenen Silberplättchen, mit eingebautem Thermometer, darunter beschriftet: "Ein Meter bei 20 °C", ein Gewinde fehlt, in Mahagonikasten.
Condition: (3/-)
Starting Price: €180
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