cellulose nitrate film

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cellulose nitrate film

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cellulose nitrate film

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cellulose nitrate film

87 Collections results for cellulose nitrate film

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Oak Grove Project construction

Photograph of Oak Grove Dam showing second intake unit generator and five employees in work clothing. Four of the individuals are standing below ground inside the machinery, while one stands further back at ground level. The building in industrial, with large windows on all visible walls. In the background is another generator unit.

Oak Grove Project, intake

Photograph of Oak Grove Dam showing intake on river from high angle. To the right of the intake, a small wooden building is at the top of a hillside, with several electrical lines visible. Below the building, a large pipe goes into the hillside.

Oak Grove project, water filling pond less than one hour after closing dam

Photograph showing a cement dam on the Oak Grove Fork of the Clackamas River, with a noticeable water pool in front of the dam structure. A man seated on a platform can be seen over the water on the right side of the image, with submerged pieces of wood to the left. Negative sleeve notes “less than one hour after filling.” (Image note: see related image PGE 16-903).

Oak Grove project, closing of gates at dam

Photograph showing a cement dam on the Oak Grove Fork of the Clackamas river, captured immediately after closing for the first time. Water can be seen at the base of the dam to the front, with four men visible to the right. Uphill from the dam structure, other wooden structures can be seen. (Image note: see related image PGE 16-927).

Oak Grove project, group standing on pipe at lower portal of tunnel #2

Photograph showing a group of men standing on large pipes. The men at the right of the frame look towards the camera, and are wearing hats with suit vests or dress shirts. They are Clark, Franklin T. Griffith, Fuller, Caldwell, and Osborne. Four men can be seen on the left side of the frame with tools, leaning towards the pipe work. A tunnel entrance can be seen in the background.

Oak Grove project, powerhouse

Photograph showing the Oak Grove powerhouse during construction. The Oak Grove Fork of the Clackamas River can be seen running alongside the building area, while a large pipe and possible flume extend uphill from the structure. A wooden trestle is also visible on the hillside above the building.

Oak Grove project lower dam site at intake

Photograph showing three men on a steep hillside above the Clackamas River. One man sits towards the front of the group, while the other two behind are standing and looking towards the camera. At the base of the cliff is flowing water and logs. Written on the negative is “Lower Damsite at Intake, 5-4-20.”

Oak grove project, powerhouse

Photograph taken from a high angle and looking downwards at construction of the Oak Grove powerhouse, with the Oak Grove Fork of the Clackamas River visible at the left of the frame. Metal and wood framework can be seen throughout the image, with numerous workers and lumber piles also visible. A railroad track and dirt road cut through the hillside and extend into the distance.

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