Pictures 2 Willamette River Swing Truss Railroad Bridge, Portland Oregon

1924 PORT OF PORTLAND DRYDOCK WITH BRIDGE SHOWING REPLACING OF DRAW REST

1985 CENTER PIVOT WITH COLLECTOR RINGS AND BRUSHES

1985 SOUTH No.2 TURNING GEARS, INSIDE DETAIL VIEW SHOWING EQUALIZER GEAR CLUSTER

1985 TURNING MOTOR #2. AUXILIARY DRIVE ENGAGING PINION AND GEAR ON LEFT, BRAKE ON RIGHT.

1985 AUXILIARY MOTOR AT CENTER OF MACHINERY ROOM INSIDE DRUM. OIL CUP TO MAIN CENTER BEARING BELOW.
