Nernst lamp (on), c 1900.

GERMANY - FEBRUARY 03: Developed by the German physicist Walther Nernst, the Nernst lamp has a rod of refractory metal oxide which conducts electricity when hot and glows brightly when an electric current passes through it. Up to about 1900 a spirit lamp was used to heat the filament initially, but after that a platinum wire wound round a ceramic spiral was used as a heating element. Nernst lamps were more efficient than carbon filament lamps, but were quickly superseded when metal filament lamps became available. (Photo by SSPL/Getty Images)
GERMANY - FEBRUARY 03: Developed by the German physicist Walther Nernst, the Nernst lamp has a rod of refractory metal oxide which conducts electricity when hot and glows brightly when an electric current passes through it. Up to about 1900 a spirit lamp was used to heat the filament initially, but after that a platinum wire wound round a ceramic spiral was used as a heating element. Nernst lamps were more efficient than carbon filament lamps, but were quickly superseded when metal filament lamps became available. (Photo by SSPL/Getty Images)
Nernst lamp (on), c 1900.
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Editorial #:
90741156
Collection:
SSPL
Date created:
03 February, 2000
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Release info:
Not released. More information
Source:
SSPL
Object name:
10320121
Max file size:
2511 x 3504 px (21.26 x 29.67 cm) - 300 dpi - 1016 KB