Pictures 3 Willamette River Swing Truss Railroad Bridge, Portland Oregon

1938 PORT OF PORTLAND DRYDOCKS AND SP&S BRIDGE

1985 BULL SHAFT, BULL RING AND PINION, AND DRUM. TOP OF PIER III, GRANITE COPING, AND PLAIN CONCRETE PIER BELOW. DETAILS OF WEST PIER PROTECTION FRAMING AT PIER. WILLBRIDGE IN BACKGROUND.

1985 BULL RING GEAR AND ROLLERS

1985 FRONT VIEW OF CONTROL ROOM MAIN PANEL WITH SIGNAL INDICATOR BOARD ABOVE

1985 CONTROL ROOM, NORTH SIDE, WITH BRIDGE SWING CONTROLS ON LEFT, SIGNAL CONTROLS ON RIGHT, WHISTLE PULL TOP. RADIO TELEPHONE IN CENTER BACK
