This picture is an interior view of the Allis-Chalmers governor for Shasta unit U1 in L7 position showing the speedball motor, relay, and operating linkages
1943-02-24
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Men remove rock on steeper section of the river bank.
1938-07-26
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A 5-yard electric shovel and 10-yard buggies working in the diversion channel
1936-08-01
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Close up view of men working on eastern spillway arch.
1941-07-15
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Placing scroll case section L1 W. powerhouse
1941-08-21
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Grant pumps and grant building
1941-01-29
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Interior of caisson drydock showing rock that is being placed in bottom. Sand will be placed on top of rock and reinforced concrete atop the sand. The four piers form the resting place for the caisson
1944-11-29
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96 pound block of concrete found in unit L-4 turbine runner, 3-20-44. The 7/8"" diameter hole in the foreground appears to have been an anchor bolt hole. Rectangular dimensions are 17"" x 11"" while wedge side dimensions are 17"" x 10"" x3""
1944-03-20
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Failure of L-3 Turbine. Note: deflector plate on top of runner and the one deflector plate that was left in original position. Also scored condition of runner top rib
1945-06-15
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Failure of L-3 Turbine. Note: deflector plates wedged between crown plate and runner looking east by south-east
1945-06-15
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Repairs to L-3 packing box. Boring arm making second cut.
1942-11-25
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View of concrete specimens being tested for resistance to sulfate waters in ponds at elevation 1930 southwest of the 230-Kv switchyard at Coulee Dam. View shows cylinders, bars, and posts from test batches 48-72 setting in original alkali pond...
1949-11-18
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First placement of granite armor rock at the downriver end of section ""A."" Note the size of the rock in comparison to the man; armor rock weighing over 10 tons has been placed. This rock is obtained from the upriver quarry under work performed...
1949-04-26
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Painted surface of wicket gate--Turbine L-2. This view is representative of the painted surface on the outer face of the wicket gates and shows the alligatoring of the paint along the trailing edge.
1942-07-13
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Surface of vanes of turbine runner L-2. This view of the inner surface of the runner vanes shows where the paint has been eroded to bright metal along the trailing edge of the vanes. The bright surfaces had a sand blasted appearance as evidence of...
1942-07-13
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View showing scorings on L-4 turbine shaft caused when packing gland burned out
1944-06-09
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Painted surface of scroll cast--turbine L-2. This view shows the condition of the paint in the scroll case and guide vanes of the speed ring.
1942-07-13
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View of cracked and bent terminal stud on top of Westinghouse 230-kv bushing serial No. 3 for 36,000-kva transformers purchased under specifications No. 1025
1947-07-30
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Rotating wearing ring unit L-1 turbine runner showing erosion of ring near top and bottom
1946-06-26
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2024-11-21
2024-11-21 |
2024-11-21
2024-11-21 |
Specifications No. 2329. Picture Series 18532-3 through 18537-3. Morrison-Knudsen Co., Inc., and Peter Kiewit Sons' Co., subcontractor, Consolidated Western Steel Corp., Electric City Yard. A view of the process of mounting the stiffener rings on...
1949-03-01
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