Multi-use Mirror - PEI Regiment Museum
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Artefact History:
WWI American Invention which was also used by the Canadian and British Armies. It is a metal case with a small mirror inside, that you commonly used for shaving or putting your camouflage on. You could also use a bayonet and put it into the opening at the back of the mirror which would let you be able to use it to look up over a trench or around corners.