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a weapon firing a pattern of relatively small contact charges from an array of spigots mounted on the bow of a ship. In the final design there were 24 projectiles in the pattern, each with a charge of 31 lb of explosive: they landed in a 130 ft diameter circle 215 yards ahead of the firing vessel.

Public domain


 This Canadian work is in the public domain in Canada because its copyright has expired for one of the following reasons:
1. it was subject to Crown copyright and was first published more than 50 years ago, or

it was not subject to Crown copyright, and

2. it is a photograph that was created before January 1, 1949, or
3. the creator died more than 50 years ago.
The media description page should identify which reason applies, and should also have a rationale explaining the copyright status of the work in the U.S. Some Canadian photographs created before 1949 may be copyrighted outside of Canada, e.g. the images of Yousuf Karsh.
Maple leaf

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Date/TimeDimensionsUserComment
current21:15, 16 August 2007300×226 (13 KB)Stan.barclay (Talk | contribs) (a weapon firing a pattern of relatively small contact charges from an array of spigots mounted on the bow of a ship. In the final design there were 24 projectiles in the pattern, each with a charge of 31 lb of explosive: they landed in a 130 ft diameter c)

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