Photograph showing machinery wreckage at Station B in Oregon City. Pieces of machinery can be seen throughout the image, disconnected and broken from the main mechanism.

Photograph showing the armature of a TY-20 generator at Station B in Oregon City. Several pieces sit on the floor, leaning against the unit, and large wooden blocks can be seen at the base.

Photograph showing the interior of Station C in northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue. Large wheeled mechanisms are visible.

Photograph showing the interior of Station C in northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue. Large wheeled mechanisms are visible, and a man can be seen looking at the camera while sitting near the building wall.

Photograph showing the interior of Station C in northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue. On the generator nearest the camera is written “General Electric Company.”

Photograph showing a large engine driven generator at Station C (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue).

Photograph showing interior construction at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Several men look at the camera on the left and right sides of the frame. In the center, a piece of machinery is hand painted with “Portland General Electric, Portland, Or.” Another man stands on top of the unit.

Photograph showing the main turbine unit at Cazadero Dam/Station G. On a small sign at the front of the unit is written “847.” (image note: glass plate is broken on two edges).

Photograph showing the head gate controllers at the Cazadero power station (Station G). Each controller is painted with a number.

Photograph of generator unit #3 at Cazadero Dam/Station G, taken two months after the 1908 accident due to equipment malfunction. On the front of the unit “General Electric Company” is written. A man stands on the left side of the frame with one hand on a wheel.

Photograph showing a man facing towards a large electrical generator at the Oak Grove Dam. On his right is a stairway leading to the upper level of the generator, which is in a large industrial powerhouse building. Written on the negative is "49-291."

Photograph showing workers building a transmission tower component. Several men holds parts of the structure, while one man on the left side of the frame looks on. In the distance, fences, an open field, and wooden houses can be seen. On the negative is written "49-74."

Copy of Photograph, showing Station A at Willamette Falls in Oregon City. Multiple generators with large belts can be seen in a high ceiling room with wooden beams. Copy made April 16, 1915.

Photograph of the engine room of Station L (now the Oregon Museum of Science and Industry) showing machinery. A person in a white shirt can be seen on the right side of the frame, and the front unit has “General Electric Company” written on it.

Photograph showing a large electrical unit (generator?) at Station L (now Oregon Museum of Science and Industry). On the left side of the frame is a wooden crate and wooden boards. Written on the negative is “4-19-21.” (Image note: see related image PGE-12-72, PGE 12-76, PGE 12-77).

Photograph of large rotary converts at unidentified location. Several other large pieces of machinery can be seen in the background.

Photograph showing the interior of the powerhouse at the Little Sandy Dam, showing several generator units and a man standing near the center of the frame. Written on the side of the units if “Westinghouse.” Behind the generators, details of the industrial building can be seen. Written on the negative is “0352.”

Photograph taken from a high angle looking downward at the interior of the powerhouse at the Little Sandy Dam. Several generator units are visible, as well as a platform accessible via ladders. Several large windows can be seen on the far walls. On the side of the generator units is “Westinghouse.” Written on the negative is “0351.”

Photograph showing a large generator component being moved with steel cables inside the Oak Grove powerhouse. In the background, a man can be seen looking upwards, while another is visible at the front of the frame looking towards the camera.

Photograph of interior of Station P at Oak Grove project showing two pieces of large round (generator?) equipment. The building is industrial with large windows on visible walls.

Photograph showing two men standing next to a 500V vertical railway generator at Station B in Oregon City. Both men are looking at the camera, and a stairway ladder between them leads to the top of the generator.

Photograph showing the interior of Station C in northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue. Several large machines are visible, and the building walls appear to be made of metal sheeting. Near the front, a sign on one machine says “Buffalo Forge Co. Heating and Ventilating Engineers, Buffalo, N.Y.”

Photograph showing the interior of Station E during construction (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). Two men can be seen looking at the camera, with one standing in front of the unit, and another above at the top of a ladder. Large windows are visible on the other side of the large industrial machine.

Photograph showing the interior of the Station E in northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue. Several large machines are visible throughout the room, and a small desk can be seen at the center of the frame. One wall includes large arched windows.

Photograph showing the interior of the A large 7500 KW turbine generator is in the middle of the frame, and arched windows can be seen in the background.

Photograph showing the interior of Station G at the Cazadero Dam showing the generator units and building structure. Several large windows an be seen on the left side of the frame, and a man can be seen in the background near the top.

Photograph showing a transformer at the Fairmont substation in June of 1949. Above the transformer, numerous ceramic insulators can be seen, as well as a large "PGE" sign. On the negative is written "49-135," which is crossed out and replaced with "49-101."

Photograph showing two men in suits with unidentified machinery. One man looks on as the other uses a metal pole to move a lever. Several numbered signs can be seen on the machinery, which extends into the background along the wall.