English: A slide rule-like device for resolving data on wind speed and direction into a range component and a deflection (azimuth) component for correction of firing data in the Coast Artillery.
Date
Source
"FM 4-15 Coast Artillery Field Manual-Seacoast Artillery Fire Control and Position Finding," U.S. War Department, Government Printing Office, Washington, 1940, p. 117.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
Upload date | User | Bytes | Dimensions | Comment
2010-06-10 18:26 (UTC) | Pgrig | 94840 (bytes) | 450×368 | A slide rule-like device for resolving data on wind speed and direction into a range component and a deflection (azimuth) component for correction of firing data in the Coast Artillery. From "FM 4-15 Coast Artillery Field Manual-Seacoast Artillery Fire C
Captions
Add a one-line explanation of what this file represents
(Original text) : A slide rule-like device for resolving data on wind speed and direction into a range component and a deflection (azimuth) component for correction of firing data in the Coast Artillery. From "FM 4-15 Coast Artillery Field Manual-Seacoas