Original World War 2 business industry trade magazine vintage ad for GENERAL ELECTRIC COMPANY of Bloomfield, NJ.  Air Conditioning Gives it OOMPH!  This war is being fought with explosions, from block busters to hand grenades.  It takes a lot of skill to make a good explosion.  Air Conditioning Helps.  Air conditioning is used for the drying of powder and protects the lives of workers in munitions plants by providing the safest temperature and humidity conditions. Old 1943 WW2 era propaganda magazine advertisement.