Describes rule which is intended primarily to give rapid solutions of a few problems of frequent occurrence in airship navigation, but can be used to advantage in solving a great variety of problems, involving volumes, lifting powers, temperatures, pressures, altitudes, and purity of balloon gas.
An airship slide rule
U. S. Nat. Advisory Committee Aeronautics, Report
1923
12 pages
3 Figs.
Report
English
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NTRS | 1924
|TIBKAT | 1923
|The Airship "Digital Slide Rule"
AIAA | 2005
|Engineering Index Backfile | 1888
|