Protection against airplane attacks and lightning; suggestions for effective lighting of industrial plants without reflecting light upward, so that in case of war, airplane attacks will be made ineffective.
Protection against airplane attacks and lightning
Werkluftschutz und Beleuchtung
Licht und Lampe ; 23 , n 23 ; p 540-541
1934
2 pages
Aufsatz (Zeitschrift)
Deutsch
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