Images Vidéos

Thermoïonique Photos ❘ Science Photo Library

Glowing Filament (4 of 4)
12031148 - Glowing Filament (4 of 4)
Heating Metal (2 of 3)
12031143 - Heating Metal (2 of 3)
Glowing Filament (1 of 3)
12031153 - Glowing Filament (1 of 3)
Glowing Filament (3 of 4)
12031147 - Glowing Filament (3 of 4)
Glowing Filament (3 of 3)
12031155 - Glowing Filament (3 of 3)
Glowing Filament (2 of 3)
12031154 - Glowing Filament (2 of 3)
Heating Metal (3 of 3)
12031144 - Heating Metal (3 of 3)
Glowing Filament (2 of 4)
12031150 - Glowing Filament (2 of 4)
Glowing Filament (2 of 4)
12031146 - Glowing Filament (2 of 4)
Early electronic valve,diagram
11904685 - Early electronic valve,diagram
Early Russian computer in Baikonur museum
11637400 - Early Russian computer in Baikonur museum
Glowing Filament (1 of 4)
12031149 - Glowing Filament (1 of 4)
Glowing Filament (1 of 4)
12031145 - Glowing Filament (1 of 4)
Glowing Filament (3 of 4)
12031151 - Glowing Filament (3 of 4)
Photo of Sir John Fleming with a thermionic valve
11828543 - Photo of Sir John Fleming with a thermionic valve
Glowing Filament (4 of 4)
12031152 - Glowing Filament (4 of 4)
Heating Metal (1 of 3)
12031142 - Heating Metal (1 of 3)
J. Ambrose Fleming,British inventor of the diode
11828553 - J. Ambrose Fleming,British inventor of the diode
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