Group Of Telegraph And Telephone Accessories, 1860 Onwards - May 13, 2023 | Auction Team Breker In Nrw
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Group of Telegraph and Telephone Accessories, 1860 onwards

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Group of Telegraph and Telephone Accessories, 1860 onwards
Group of Telegraph and Telephone Accessories, 1860 onwards
Item Details
Description
Group of Telegraph and Telephone Accessories, 1860 onwards
1) Cathedral GPO Telegraph Signal Indicator & Galvanometer, British General Post Office. - 2) Cable key with locking mechanism, E. Ducretet, Paris, 2 buttons, lacquered brass. - 3) Switch for 2 lines, circular walnut base (damaged), Ø 4 in. - 4) Galvanoscope, probably by W. Gurtl, Berlin, 1879 onwards, according to the specifications of the German empire telegraph administration. - 5) S.G. Brown's Telephone Relay, London, mechanical amplifier, patented 1909. - 6) Camelback key, c. 1860, very early Austrian model, with plug board to increase the voltage, polished brass, on walnut plinth. - 7) Bunnell telegraph sounder and Morse key on board (KOB), c. 1890, used as training set. - 8) Milliampere meter by Chauvin & Arnoux, Paris, brass case, Ø 2 1/3 in., in walnut box. - 9) Morse key, probably Germany, no. 34249, polished brass, on walnut base. - 10) Galvanometer, France, under glass dome. - And: 11) Relay, GPO, British General Post Office, no. 19602.

Telegraphen- und Telephon-Zubehör, ab 1860
1) Cathedral GPO Telegraph Signal Indicator & Galvanometer, British General Post Office. - 2) Doppelter Kabeltaster, mit Verschlußmechanismus, Hersteller: E. Ducretet, Paris, lackiertes Messing. - 3) Schalter für 2 Leitungen, runder Nußbaumsockel (beschädigt), Ø 10 cm. - 4) Galvanoskop, vermutlich von W. Gurtl, Berlin, ab 1879, nach den Vorgaben der Deutschen Reichstelegraphenverwaltung. - 5) S.G. Brown's Telephone Relay, London, mechanischer Verstärker, patentiert 1909. - 6) Kamelbuckel-Taster, um 1860, sehr frühes österreichisches Modell, mit Steckerleiste zur Erhöhung der Stromstärke, poliertes Messing, auf Nußbaumsockel. - 7) Bunnell, Telegraphklopfer und Morsetaster auf einem Brett (KOB), um 1890, wurde als Morse-Trainer eingesetzt. - 8) Milliampere-Meßgerät, Chauvin & Arnoux, Paris, Messinggehäuse, Ø 6 cm, in Nußbaumkasten. - 9) Morsetaster, vermutlich Deutschland, Nr. 34249, poliertes Messing, auf Nußbaumsockel. - 10) Galvanometer, Frankreich, unter Glashaube. - Und: 11) Relais, GPO, British General Post Office, Nr. 19602.

Start Price: EUR 280

Condition
(2-3/-)
Buyer's Premium
  • 23.8%

Group of Telegraph and Telephone Accessories, 1860 onwards

Estimate €600 - €900
See Sold Price
Starting Price €280
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