Bell & Tainter's Photophone/Radiophone Transmitter, c.
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Description
Bell & Tainter's Photophone/Radiophone Transmitter, c. 1882
Used for the conversion of human voice into an electrical signal, with acetylene light flame and a selenium cell. Manufactured by Kipp & Zonen - Delft. Consisting of: speaking horn, mahogany case with gas line, parabolic mirror, gas nozzle and selenium cell, on cast-iron base, size 8 ¾ x 5 ¼ x 7 in. Excellent condition, the only known example today.
Bell & Tainter's Photophone/Radiophone-Mikrophon, um 1882
Zur Umwandlung von Tönen in elektrischen Strom unter Verwendung einer Acetylen-Flamme und einer Selen-Zelle. Hersteller: Kipp & Zonen - Delft, bestehend aus: Einsprechtrichter, Mahagonigehäuse mit Gasleitung, Parabolspiegel, Gasdüse und Selenzelle, auf Gußmetallsockel, Maße 22 x 13,5 x 18 cm. Exzellenter Zustand, kein weiteres Modell bekannt.
Start Price: EUR 3800
Used for the conversion of human voice into an electrical signal, with acetylene light flame and a selenium cell. Manufactured by Kipp & Zonen - Delft. Consisting of: speaking horn, mahogany case with gas line, parabolic mirror, gas nozzle and selenium cell, on cast-iron base, size 8 ¾ x 5 ¼ x 7 in. Excellent condition, the only known example today.
Bell & Tainter's Photophone/Radiophone-Mikrophon, um 1882
Zur Umwandlung von Tönen in elektrischen Strom unter Verwendung einer Acetylen-Flamme und einer Selen-Zelle. Hersteller: Kipp & Zonen - Delft, bestehend aus: Einsprechtrichter, Mahagonigehäuse mit Gasleitung, Parabolspiegel, Gasdüse und Selenzelle, auf Gußmetallsockel, Maße 22 x 13,5 x 18 cm. Exzellenter Zustand, kein weiteres Modell bekannt.
Start Price: EUR 3800
Condition
(2/-)
Buyer's Premium
- 26.8%
Bell & Tainter's Photophone/Radiophone Transmitter, c.
Estimate €8,000 - €15,000
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