Worker using machinery, Albina Engine & Machine Works, Portland
Workers using machinery at B. P. John Furniture Corporation
Steamship Mormacsea crew
Steamship Mormacsea machine room
Worker at Monarch Forge and Machine Works, Portland
Station C
Station C
Station C
Station C, engine driven generator
Station E, interior construction
Station L
Station L, electrical units and pipes
Test report on reconstruction of rotary converts
Worker in vehicle, Albina Engine & Machine Works, Portland
Station C
Station E, interior construction
Station E
Station E
Two men looking at a radio transmitter unit
Man working on accounting machine
Women with card punch machines
Station L, electrical units
Station L, electrical units
Station L
Sixty cycle rotary converts
Emily Wood with her Erasure Machine
Bonneville Power Administration analyzer being reassembled at old Bonneville building
Workers at Monarch Forge and Machine Works, Portland
