Instructions for aerological observers

United States. Weather Bureau, Cloud, W. S, Gregg, Willis Ray, 1880-1938, Jakl, Vincent Edward, 1880-, Lane, Russell Charles, 1893-, Samuels, Leroy Thomas, 1893- · 1921 · Washington : Govt. print. off. · 7 pictures

A 1921 U.S. Weather Bureau manual issued by the Government Printing Office in Washington, written by W. S. Cloud, Willis Ray Gregg and Vincent Edward Jakl to train station staff in balloon and kite observation of the upper air. Halftone plates show instrument assemblies on plain grey grounds, while line figures give triangulation and collimation diagrams of labelled rays and angles, plus ruled blank observation forms with headings and calculation boxes.

Meteorology · Aeronautics in meteorology

Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931)