Sixty cycle rotary converts
Man with electrical generator at Oak Grove Dam
Men building transmission tower
Electric transformer
Electric transformer
Man with lever
Cars in front of substation
Man with electrical unit
Substation transformer
Two unidentified men with machinery
Interior of powerhouse at Oak Grove Dam
Men on phones in office
Man with ceramic electrical insulators
Unidentified man with microphone
Electrical unit
Man with switchboard
Two men looking at a radio transmitter unit
Man working on electric generator unit
Alex Komolofske with an emergency generator
Bull Run, Little Sandy Dam, generator and governor
Bull Run, Little Sandy Dam, powerhouse interior
