United States. Weather Bureau, Cloud, W. S, Gregg, Willis Ray, 1880-1938, Jakl, Vincent Edward, 1880-, Lane, Russell Charles, 1893-, Samuels, Leroy Thomas, 1893- · Washington : Govt. print. off. · leaf 21
WWM 1 l« 1 40 1 ]'iG. 12.— Different sizes of box kites used at aerological stations. … Fni. 20. — Fosilioii and iiudii(»d of atlaelimenl (d iiu*le()rogni|)h in a kite.
Meteorology · Aeronautics in meteorology
Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931). Free to use for anything.
