- OrgLot151_PGE138-5
- Item
- 1900 – 1930
Photograph of rotary convert machinery in unidentified location.
1 results directly related Exclude narrower terms
Photograph of rotary convert machinery in unidentified location.
Test report on reconstruction of rotary converts
Photograph of large rotary converts at unidentified location. Several other large pieces of machinery can be seen in the background.
Portland General Electric Photograph Collection
Negatives documenting company activities, including electrical infrastructure, employees, power generation and distribution throughout Portland, the Willamette Valley and the Oregon Cascade Range. Additional general images include streetcars and trains, street lighting, power line installation, Rose Festival floats, office buildings, car barns and bridges. Of particular note are dam building projects at Bull Run and along the Clackamas River (1910-1930), and early electric stations in Oregon City at Willamette Falls.
Portland General Electric Company
Part of Al Monner news negatives
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).
Monner, Al (Alfred Anthony), 1909-1998
Silver bars being removed at Aluminum plant at Troutdale
Part of Al Monner news negatives
Silver bars being moved at the Troutdale aluminum plant. One man uses a forklift on a stack of silver, while another watches. Stacks of silver can be seen throughout the room. A photograph from this series was published in the Oregon Journal on Thursday, April 11, 1946 (negative 2 of 7).
Monner, Al (Alfred Anthony), 1909-1998
Silver bars being removed at Aluminum plant at Troutdale
Part of Al Monner news negatives
Workers with silver bars at the Troutdale aluminum plant. Kenneth Levellie (right), stands with one leg on a stack of bars, while holding a pen and paper. A photograph from this series was published in the Oregon Journal on Thursday, April 11, 1946 (negative 1 of 7).
Monner, Al (Alfred Anthony), 1909-1998