A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sodium-vapour lamps
Gas-discharge lamps for normal distribution voltages; monochromatic golden-orange light; 3 to 3 1/2 times light of filament lamp of same consumption; details of AEG lamp.
Sodium-vapour lamps
Gas-discharge lamps for normal distribution voltages; monochromatic golden-orange light; 3 to 3 1/2 times light of filament lamp of same consumption; details of AEG lamp.
Sodium-vapour lamps
AEG Progress
1934
2 pages
Article (Journal)
German
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