GE 3-phase generator, 44 Kv-a,, 35KW,, 240 volts, 60 cycles, type ATI-7546, with D-C. exciter, 15 KW., type EF-4, coupled to Caterpillar Tractor Co. diesel engine, 4-cylinder, type D-7700, and GE switchgear having watthour meter and voltage regulator, type TA. Installed by Caterpillar Tractor Co. of Peoria, IL, at "A Century of Progress" exposition
General Electric Company.