|Albert A. Owens & Ben F. Slingluff; How to Read Blueprints (Chicago: John C. Winston Co., 1938, 1942)|
Back when safety glasses and welding gloves were for sissies! Also, remember the simulated people in the early computer games? Apparently, people used to actually look like that! I'm also not sure how the boy on the left gets his right hand to hold the tongs like that.