Historical information

These lens replacements are part of the set of a German gas mask dating to the First World War. New canisters would have contained spare parts, possibly secured in the lid.

Physical description

Paper case containing two plastic yellow goggle lenses with two pieces of card in between. Lens printed with black ink text. Paper case sealed on three sides and open at top, printed with blue ink.

Inscriptions & markings

Printed case reads "Klarscheiben/vor Feuchtigkeit schutzen,/nicht wischen,/nur am Rande anfassen,/so einlegen:" which translates roughly to the care instructions of "handle by lens, do not wipe with water". Printed ink reads "3526 12 6 1."