File:12-Inch-Mortar-M1908.jpg

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12-Inch-Mortar-M1908.jpg(605 × 450 pixels, file size: 360 KB, MIME type: image/jpeg)

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English: This U.S. Army photo shows a 12-inch mortar, Model 1908, in Pit A of Battery Whitman, Fort Andrews, Boston, MA. This mortar and its carriage were 1 ton lighter and were more compact than the M1890 and had about the same range as the older weapon. However, only four of these were emplaced in the U.S., the remaining 20 being deployed overseas in the territories. Also shown here, at left rear, is the data booth for the mortar pit. Azimuth and elevation data received from the plotting room were chalked onto pieces of blackboard (or slate) that were mounted on the "billboard" visible at the extreme left edge of the booth. These data were used by the mortar crews to aim their weapons. The boxes mounted on the wall outside the door of the booth are likely the safety switches for the mortars in this pit (enabling them to fire electrically or not) and the firing magneto for the pit, which was cranked to provide firing current for up to four mortars.
Date Unknown date. Likely c. 1935
Source (Original text: Original image, likely taken by the U.S. Army (Signal Corps or Coast Artillery Corps) is unsourced, but was reprinted in Butler, Gerald, "The Military History of Boston's Harbor Islands, Arcadia Publishing, Charleston, SC, 2000, p. 57., from whence is was scanned by the contributor.) Original uploader was Pgrig at en.wikipedia (30 August 2010 (original upload date))
Author Unknown authorUnknown author
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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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  • 2010-08-30 17:24 Pgrig 605×450× (368136 bytes) This U.S. Army photo shows a 12-inch mortar, Model 1908, in Pit A of Battery Whitman, Fort Andrews, Boston, MA. This mortar and its carriage were 1 ton lighter and were more compact than the M1890 and had about the same range as the older weapon. However,

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current01:38, 25 January 2012Thumbnail for version as of 01:38, 25 January 2012605 × 450 (360 KB)File Upload Bot (Magnus Manske) (talk | contribs) {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|This U.S. Army photo shows a 12-inch mortar, Model 1908, in Pit A of Battery Whitman, Fort Andrews, Bos

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