Photograph showing a man (Alex Komolofske) wearing a dirtied work jumper standing next to a wheeled generator vehicle. A "PGE" logo is attached to the generator, with "Onan Electric Plant" painted on the side.

A rectifier room at the Troutdale aluminum plant. A wall of electrical units can be seen along the left wall. This photograph was published in the Oregon Journal on Thursday, April 11, 1946 (negative 4 of 7).

A power analyzer being reassembled at the old Bonneville Power Administration building in Portland, after previously being moved to its new location at 1001 N.E. Lloyd Boulevard. The company’s move to its new Lloyd location was halted after an inquiry by by Representative John Phillips. A photograph from this series was published in the Oregon Journal on Sunday, March 28, 1954 (negative 2 of 8).

Photograph of a governor device at Bull Run. A large wheel is on the front of the machine.

Interior image of Station O room with governor and generator devices.

Photograph showing three men standing next to a metal utility structure at the top of the transformer house at the Little Sandy Dam. Two of the men are in work wear, while a third is wearing a suit and hat. Trees and hills can be seen in the distance. Written on the negative is “E301-0-3402.”

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 showing the interior of the high tension switch room at the Little Sandy River Dam. Multiple electrical units and insulators can be seen throughout the photograph. Written on the negative is “0354.”

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 two men standing next to a utility pole tower with insulators visible at the top. One man is wearing a suit and bowlers hat, while the other wears a long jacket, a hat, with tall boots and a pipe. Written on the negative is “Tower. Bull Run. 2-26-12 (69).

Photograph showing a man in work wear standing next to a generator unit at the Little Sandy Dam. Other units can be seen in the background of the image, while a raised platform with a ladder is behind the front unit. Written on the negative is “No 2 unit, 1-29-12, Bull Run Ore. (47).

View of a burned forest that had previously been logged in the Silverton, Oregon area. Charred tree trunks and stumps can be seen throughout the landscape. The ground is littered with logging machinery and debris from the Silver Falls Timber Company.

Photograph showing people and cars in front of a fenced substation. Multiple men in suits and hats stand on the sidewalk in front of the metal fence, behind which several large pieces of electrical equipment can be seen. On the negative is written "49-102."

Photograph showing a man driving a open cockpit caterpillar machine at the top of a canyon at Cove Palisades State Park. At the base of the canyon is a river (the Deschutes River or Crooked River). On the machine is written "Caterpillar."

Photograph showing a caterpillar machine at the top of a canyon, with a man driving in an open cockpit. Next to the machine is a man standing to the side of the dirt track, and a car with an open door can be seen in the background.

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 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 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 taken from a side angle, showing an electrical transformer, likely at an electrical substation. Several ceramic insulators can be seen at the top of the unit, as well as numerous attached electric lines. On the negative is written "49-73."

Photograph showing an electrical transformer, likely at an electrical substation. On the front of the unit is written "General Electric." On the top of the unit are several ceramic insulators and electric lines. On the negative is written "49-77."

Photograph showing a paneled electrical unit with numerous switches. Wires can be seen coming out of the bottom of the unit. On the negative is written "49-81."

Emily Wood sits at a typewriter and smiles at the camera. On a desk to her right is a cylindrical machine with hoses or wires that come out of it. These form an arc in the air and she holds the other end to her typewriter. The caption on the negative sleeve reads, "Emily Wood - with eraser machine she invented" (negative 1 of 2).

People stand next to a burning generator during a basement fire at a Pacific Power & Light Company plant, in the Pittock Block of Portland. Fragments of light can be seen on the negative (negative 1 of 1).

Negative of a photographic postcard showing the generators at the Bonneville Dam. The generators are circular machines lined up in a large open room. Handwriting on negative reads, "Generators - Bonneville Dam. Christian 11-623."

Interior view of Hosmer Cultivator Factory in Silverton, Oregon. Two men stand in the room, one behind a workbench and the other holding a piece of a cultivator. A large machine is visible to the left of the image with the words "J.E. Hosmer Silverton, Ore." written on it. A pile of wood pieces can be seen on the floor.

Photograph showing the interior of the powerhouse at the Oak Grove Dam on the Clackamas River. Two large electrical units can be seen, with upper walkways. The building is a large industrial space with tall windows. Written on the negative is "49-293."

Photograph showing a man wearing a long jacket standing on a raised cement platform. He is looking towards three large electrical units with belts, and water can be seen under the platform. In the background is a wooded hillside. Written on the negative is "51-868."

Photograph showing a man on a ladder wearing a safety belt holding an electrical line with ceramic insulators. Behind him, two other men in work wear stand higher on the metal frame structure. On the negative is written "49-53."