General illustrated description of some German equipment, such as rotating filament-lamp beacon with 50om parabolic glass reflector; obstruction light; neon obstruction light with reserve tube; wind indicator; arrow-head boundary light; 26 kw floodlight with trough reflector, on 2-wheeled chassis, etc.
Airport lighting
AEG Progress
1934
3 pages
Article (Journal)
German
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Engineering Index Backfile | 1950
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|Engineering Index Backfile | 1928
|Engineering Index Backfile | 1930
Engineering Index Backfile | 1928
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