Gasmask 'Klarscheiben'

Gasmask 'Klarscheiben' (spare glasses). These transparant disks are to prevent the fogging of the gasmask lenses in extreme cold. The disc is producing an airgap which acts as insulation to prevent fogging in cold weather. These 'Klarscheiben' are produced in 1944 and marked with 'kug', of the firm 'Langheck & Co., Zellglas- u Pliaphanfolien-Fabriken' (Ersatzgläser für Gasmasken) in Esslingen. I managed to obtain original boxes with 'klarscheiben'. Therefore I can offer them for a fair price. The price is naturally per piece, you get a identical one as shown!