Work Projects Administration (WPA) vocational school. The ability to "saw" metal with flame is a skill which has many important applications in the war effort. This young man is receiving expert instruction in the art of cutting steel with an acetylene torch, just one phase of the training given at a WPA vocational training school in the District of Columbia. Its great to see a 1940’s @cocacola delivery drivers shirt being worn by the apprentice, the chainstitch name on the chest appears to read ‘Mahoney’, most likely manufactured by Riverside Masterbilt or HD Lee (Third image is an example of my Riverside Masterbilt shirt & apron, last images from a 1940’s Riverside Masterbilt Uniforms catalog). Howard Liberman, July 1942 #workshirt #vintageworkwear #cocacola #cocacolashirt #hdlee #masterbilt #riverside #ww2 #1940s #denim #vintagedenim #cap #hat #workcap #goggles #vintagemenswear #vintagestyle #wpa #vintagephotograph (at District of Columbia) https://www.instagram.com/p/CDHHnUijT8T/?igshid=1sw4zloaua1rz