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General Electric Experimental Infrared Lamp
Lampe infrarouge expérimentale
Experimentelle Infrarotlampe

Coiled tungsten filament.
Ca. 1920.

 

General Electric Experimental Infrared Lamp

Hauteur • Height • Höhe : 185 mm • 7" 1/4
Diamètre • Diameter • Durchmesser : 79 mm • 3" 1/8

General Electric Experimental Infrared Lamp

General Electric Experimental Infrared Lamp

General Electric Experimental Infrared Lamp

 


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