WWII GMC CCKW mobile eyeglass workshop.

Fullsize image: https://diqn32j8nouaz.cloudfront.net...p_fullsize.jpg



Four Eyes: Eyeglasses and the WWII US GI (external link from Wikipedia):

http://90thidpg.us/Research/Original...Eyes-23Mar.pdf

Previously:

Night vision glasses with color - GIF
Tiffany diamond-studded opera glasses - photo
Grinder disc lodged in safety glasses - GIF
Mixed reality construction smartglasses - video
Homemade safety glasses with brass frame - video