WW2 British Army Boxed Tinted Desert Goggles Marked S.L.M 1942

For sale is a WW2 British Army Boxed Tinted Desert Goggles Marked S.L.M 1942. The goggles are in good condition, and have there original full length strings to attached to the users face. The box is tarnished but the instructions can be seen still on the lid. 

  A pair of the elliptical S.L.M. goggles issued to Commonwealth troops in North Africa in WWII. Use when travelling in dusty conditions or during sandstorms.    The lenses are a single layer of green/amber tint laminated glass. The lenses are said to enhance the contrast of tracer fire in bright sunlight. These google have the cheese grater vents around the aluminium frame. The frames coated with a washed of brown lacquer. The edge of the goggles are lined with black velvet padding. The eye section are joined together by a leather centrepiece bridging the nose. On each side of the eye section is a cotton strap. The strap length is 410 mm so that the goggles are able to be tie around the helmet when not in use.    A tin case was supplied with the goggles which was ideal for carrying in a pocket. The cases were polished steel, with an instruction transfer applied to the lid and then clear lacquered over top. The inside of the case is lined, both lid and base with green velvet. The information on the case lid reads as following.    "Instructions - wrap the tapes (flat) very carefully round the goggles before placing in case so as to protect the surfaces against damage by sand or grit. Clean gently with a very soft cloth or sponge."   These will be sent via Royal Mail 1st class signed for and dispatched within two working days.