Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Details of aviation beacon of Mount Valerien, near Paris; consist of two projectors mounted on a revolving platform, operated by electric motor; each projector is provided with two reflectors.
Details of aviation beacon of Mount Valerien, near Paris; consist of two projectors mounted on a revolving platform, operated by electric motor; each projector is provided with two reflectors.
Long-range beacons
Les Phares a Tres Longue Portee
Dantin, C. (Autor:in)
Genie Civil ; 90
1927
3 pages
5 Figs.
Aufsatz (Zeitschrift)
Französisch
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