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Danger of ice formation on airplanes (1929)
NASA Technical Reports Server (NTRS) · leaf 15
H.A.O.A. TeotanloGuL MsmoxazidiM 170.499 rig.i … ■ different tempexatures by 100^ reoorded relative liiunldlty.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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