File:Directing point.jpg
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Summary
| Description |
English: A two-gun battery is shown, with its directing point (DP) midway between the two guns. The distance between either gun and the DP was known as its displacement (see drawing). Drawing has been edited to show DP explicitly and label it (in red). |
| Source | Drawing obtained from Coast Defense Study Group, as published in "American Seacoast Defenses," Mark Berhow, Ed., CDSG Press, McLean, VA, 2004, p. 259. CDSG confirms drawing is from U.S. Government manual. |
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Licensing
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:48, 24 June 2010 | | 766 × 419 (66 KB) | Pgrig | Drawing obtained from Coast Defense Study Group, as published in "American Seacoast Defenses," Mark Berhow, Ed., CDSG Press, McLean, VA, 2004, p. 259. CDSG confirms drawing is from U.S. Government manual. A two-gun battery is shown, with its directing po |
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