Early vertical spool Dolbeer donkey in Camp 18 about 50 miles west of Portland/OR
Detail of Dolbeer
Vertical spool
Willamette donkey in Camp 18
Steam engine/gears of Willamette
Builders plate
Same donkey from the opposite side
Smaller Willamette
Cylinder/Boiler details
Tacoma donkey in Tillamook
Details of Tillamook donkey
Builder's plate