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results 141-160 of 21013 item(s)  page 8 of 1051 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Rotor spider on unit no. 1 turbine, Gorge Dam Powerhouse, September 17, 1923
141. Rotor spider on unit no. 1 turbine, Gorge Dam Powerhouse, September 17, 1923
Man standing inside Larner-Johnson flow control valve during installation at Gorge Dam Powerhouse, August
142. Man standing inside Larner-Johnson flow control valve during installation at Gorge Dam Powerhouse, August 22, 1923
Scroll case and Larner-Johnson flow control valve in unit no. 1 under construction, Gorge Dam Powerhouse,
143. Scroll case and Larner-Johnson flow control valve in unit no. 1 under construction, Gorge Dam Powerhouse, August 13, 1923
Construction activities at Larner-Johnson flow control valve and scroll case in power generating unit
144. Construction activities at Larner-Johnson flow control valve and scroll case in power generating unit no. 1, Gorge Dam Powerhouse, August 10, 1923
Stator and rotor of unit no. 1 turbine and rotor of unit no. 2 turbine under construction, Gorge Dam
145. Stator and rotor of unit no. 1 turbine and rotor of unit no. 2 turbine under construction, Gorge Dam Powerhouse, November 27, 1923
Workers standing in end of penstock pipe for power generating unit no. 3, Gorge Dam Powerhouse, August
146. Workers standing in end of penstock pipe for power generating unit no. 3, Gorge Dam Powerhouse, August 13, 1923
Powerhouse showing completed addition on the right, February 26, 1925
147. Powerhouse showing completed addition on the right, February 26, 1925
Inspection platform in tunnel, Gorge Dam, December 25, 1923
148. Inspection platform in tunnel, Gorge Dam, December 25, 1923
Draft tube forms as seen from above, Gorge Dam, January 19, 1923
149. Draft tube forms as seen from above, Gorge Dam, January 19, 1923
Bird's-eye view of Newhalem construction camp, July 17, 1921
150. Bird's-eye view of Newhalem construction camp, July 17, 1921
Tailrace site, Gorge Dam Powerhouse, April 1, 1924
151. Tailrace site, Gorge Dam Powerhouse, April 1, 1924
Visitors at junction of tunnel interior, Gorge Dam Powerhouse, August 15, 1924
152. Visitors at junction of tunnel interior, Gorge Dam Powerhouse, August 15, 1924
Bridge across the Skagit River at the site of the Gorge Dam Powerhouse, July 17, 1921
153. Bridge across the Skagit River at the site of the Gorge Dam Powerhouse, July 17, 1921
Gas-powered trolley, known as the Toonerville Trolley, running on railroad tracks from Rockport to Newhalem,
154. Gas-powered trolley, known as the Toonerville Trolley, running on railroad tracks from Rockport to Newhalem, providing tours of the Gorge Dam construction site, July 17, 1921
North Substation interior showing the 15,000 kVA synchronous condenser, October 22, 1924
155. North Substation interior showing the 15,000 kVA synchronous condenser, October 22, 1924
Transmission bus at North Substation, with 154 kV G-2 oil circuit breakers, 1924
156. Transmission bus at North Substation, with 154 kV G-2 oil circuit breakers, 1924
Penstock tunnels under construction at the Gorge Dam Powerhouse site, April 1922
157. Penstock tunnels under construction at the Gorge Dam Powerhouse site, April 1922
Lake Kirtley, April 14, 1911
158. Lake Kirtley, April 14, 1911
Holt Caterpillar tractor and five-ton trailers, Gorge Dam, April 1921
159. Holt Caterpillar tractor and five-ton trailers, Gorge Dam, April 1921
Hoist used to lower equipment and men to dig tunnel from outlet canal to penstocks, northwest of Lake
160. Hoist used to lower equipment and men to dig tunnel from outlet canal to penstocks, northwest of Lake Tapps, July 18, 1910
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results 141-160 of 21013 item(s)  page 8 of 1051 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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