A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Author devised recorder for use of Military Telegraphic Service during war in recording high-frequency damped currents; photographs taken with instrument are reproduced.
Simple photographic recorder and oscillograph
Enregistreur photographique et oscillographe
Perot, A. (author)
1925
3 pages
6 Figs.
Article (Journal)
French
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