224 AUTOBIOGRAPHY OF JOHN FRITZ
The equipment also includes pressure, mercury, oil, and hook gauges, meters, scales, and so on.
All electricity for Ughting and for power for the testing macliines and for the pumps is 2-phase 60-cycle alternating current at no and 220 volts.
Instruction in testing of materials and hydraiflics is given to students of Lelflgh University. The equipment is used for thesis work in the Senior year, and is also used for making commercial tests of materials of construction for manufacturers.
Frank P. McKibben, Professor of Civil Engineering,