Application of Paulin system to airplane altimeter is discussed; Paulin instruments previously manufactured by Johansson Co. of Sweden but now produced in United States by American Paulin System; altimeter balances calibrated steel string against unknown pressure of atmosphere upon metallic box to which spring is connected; tests made; production methods of manufacturing device.
Adaptation of the Paulin system to altimeters
Aviation
Aviation ; 26 , n 7
1929
3 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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