WW2 Canadian Anti-Dimming Mk6 Kit

The WW2 Canadian Anti-Dimming Mk6 Kit is a military-issued item designed to prevent the fogging of gas mask eyepieces during use. Issued to Canadian forces during the Second World War, the kit consists of a small metal container with a screw top, typically marked with the manufacturer’s information and “Mk6.” Inside, it contains an anti-dimming compound, usually a waxy or oily substance, along with a fabric or felt applicator pad. Soldiers applied the compound to the interior surface of gas mask eyepieces to improve visibility under various field conditions. The Mk6 designation indicates the sixth version in a series of anti-dimming compounds and applicator kits used by Commonwealth forces. Items like this were standard issue for personnel expected to encounter chemical warfare environments. The kit represents an example of practical protective equipment developed during the conflict, addressing the need for clear vision while using protective masks in hazardous situations.