File:Launching a minesweeper in Fort William, 1918.jpg

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Launching_a_minesweeper_in_Fort_William,_1918.jpg ‎(669 × 516 pixels, file size: 65 KB, MIME type: image/jpeg)

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Original caption: "
Minesweeper Construction at Can Car, 1918

Date: 29 July 1918

This image shows the inside of the coffer dam during the construction of Navarin, one of the 12 minesweepers that were produced by the Canadian Car & Foundry during the First World War.

Owing to the current of the Kam River, it was deemed necessary to build a launching basin at the foot of the incline. A coffer dam was built with a basin dug on the inner side. A double track, laid on thick timbers, cross ties, and piles driven into the ground, stretched from under the water up the grade and then to the transfer tables. At the launching slip the cradles were run into the water and the hull simply floated off. When the water level in the slip matched that of the river, the coffer damn was opened and the minesweeper moved into the turning basin.

Accession No.: 988.2.80

"
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Source https://www.flickr.com/photos/tbaymuseum/16188943929/in/album-72157650078634887/
Author Unknown authorUnknown author
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Public domain
This Canadian work is in the public domain in Canada because its copyright has expired due to one of the following:
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 prior to January 1, 1949, or
3. the creator died prior to January 1, 1972.

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 50 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, Switzerland and the United States are 70 years, and Venezuela is 60 years.

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This file, which was originally posted to https://www.flickr.com/photos/tbaymuseum/16188943929/in/album-72157650078634887/, was reviewed on 28 July 2018 by reviewer Leoboudv, who confirmed that it was available there under the stated license on that date.

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Date/TimeThumbnailDimensionsUserComment
current04:27, 26 July 2018Thumbnail for version as of 04:27, 26 July 2018669 × 516 (65 KB)Geo Swan (talk | contribs){{Information |Description= :{{original caption|'''Minesweeper Construction at Can Car, 1918''' <p>Date: 29 July 1918 <p>This image shows the inside of the coffer dam during the construction of Navarin, one of the 12 minesweepers that were produced by the Canadian Car & Foundry during the First World War. <p>Owing to the current of the Kam River, it was deemed necessary to build a launching basin at the foot of the incline. A coffer dam was built with a basin dug on the inner side. A double...

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