Results of tests are said to show that for recording of atmospheric-electrical charges, conditions in aeroplane are in some respects very favorable if the instruments employed are insensitive to shocks, and the Wulf doublefilament electrometer is said to be well adapted thereto. For measurement of the ionization, a tube condenser with anemometer is used; for recording total energy of radiation of the sun during climb, a thermometric method, similar to the Michelson-Marten method, is recommended.
Aerophysical investigations with an aeroplane
Aerophysikalische Forschungen mit dem Flugzeuge
Luftfahrt ; n 1-2
1920
3 pages
6 Figs.
Article (Journal)
German
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