Purdue Trains Defense Personnel Courses Offered for Powder
at Purdue Mill
Inspectors or
Technicians
A defense bottleneck has been the lack of trained personnel i n industry. One institution trying to meet this lack is Purdue University. These pictures show different steps with the sand bomb used for testing the power of an explosive, one of several taught these embryo powder inspectors. Above, top to bottom. Laboratory section of 80 men in training, studying physical and chemical properties of explosives. Using a newly developed nitrometer t o determine nitrogen content of an explosive in about 20 minutes. Weighing sand for the test—200 grams that will pass through a 20- but not a 30-mesh screen. Right above. Loading the test bomb—a 2-inch cylinder of steel, 0.5 inch thick. The long fuse has a No. 6 detonating cap. It is made of mercury fulminate and tetryl enclosed in copper. Right center. A burning fuse. Right below. Lighting a bomb fuse.
University
