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June+Lake+vicinity

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Rush Creek Hydroelectric System, Powerhouse Exciters, Rush Creek, June Lake, Mono County, CA



See 42 maps of this location


B&W Photos

HB152789
East Side/north End Exterior Of Rush Creek Powerhouse Showing Rolling Metal Door On North End, Switchracks North Of Powerhouse And Worker Cottages In Complex

HB152790
Exterior Of West Side Of Powerhouse Building Showing Both Penstocks Entering Second Floor Of Powerhouse View To South.

HB152791
East Side Exterior Of Powerhouse Building Showing Tailrace

HB152792
Interior Of Powerhouse Generator Room Showing Generator Units At Foreground Right, Governors And Control Valves At Left, And Exciters At Back Left

HB152793
Powerhouse Interior Showing Exciter No

HB152794
Powerhouse Interior Showing Exciter No

HB152795
Powerhouse Interior, Detail Of Exciter No

HB152796
Powerhouse Interior Showing Exciter No

HB152797
Powerhouse Interior, Detail Of Exciter No

HB152798
Powerhouse Interior, Detail Of Exciter No

HB152799
Powerhouse Interior, Detail Of Exciter No

HB152800
Powerhouse Interior Showing Exciter No

HB152801
Powerhouse Interior, Detail Of Exciter No

HB152802
Powerhouse Interior, Exciter No

HB152803
Powerhouse Interior Showing Exciter No


Data Pages


Photo Caption Pages


Item Title


Location
Rush Creek, June+Lake+vicinity, CA

Find maps of June+Lake+, CA


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER CA-166-A
Significance: The exciter no. 1 and 2 are original components of the Rush Creek Hydroelectric System power generation equipment. The Rush Creek System is significant under National Register Criteria A and C for its position in the development of hydroelectric generation on the eastern slope of the Sierra Nevada, and its distinctive engineering characteristics. It is an intact example of a high-head, impulse water wheel, high-voltage hydroelectric generation plant. It embodies distinctive innovations in dam construction and powerhouse planning which maximized the plant's production of hydroelectricity.

Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. EAST SIDE/NORTH END EXTERIOR OF RUSH CREEK POWERHOUSE SHOWING ROLLING METAL DOOR ON NORTH END, SWITCHRACKS NORTH OF POWERHOUSE AND WORKER COTTAGES IN COMPLEX. VIEW TO SOUTHWEST.
2. EXTERIOR OF WEST SIDE OF POWERHOUSE BUILDING SHOWING BOTH PENSTOCKS ENTERING SECOND FLOOR OF POWERHOUSE VIEW TO SOUTH.
3. EAST SIDE EXTERIOR OF POWERHOUSE BUILDING SHOWING TAILRACE. VIEW TO NORTHWEST.
4. INTERIOR OF POWERHOUSE GENERATOR ROOM SHOWING GENERATOR UNITS AT FOREGROUND RIGHT, GOVERNORS AND CONTROL VALVES AT LEFT, AND EXCITERS AT BACK LEFT. VIEW TO NORTH.
5. POWERHOUSE INTERIOR SHOWING EXCITER No. 1. SMALL PELTON-DOBLE IMPULSE WHEEL IN FOREGROUND. VIEW TO NORTHWEST.
6. POWERHOUSE INTERIOR SHOWING EXCITER No. 1. HAND-CONTROLLED GATE VALVE SHOWN ON NOZZLE TO PELTON-DOBLE IMPULSE WHEEL. VIEW TO NORTHEAST.
7. POWERHOUSE INTERIOR, DETAIL OF EXCITER No. 1 GENERAL ELECTRIC GENERATOR NAMEPLATE. VIEW TO EAST.
8. POWERHOUSE INTERIOR SHOWING EXCITER No. 1 IN FOREGROUND, EXCITER No. 2., AND GENERATOR UNITS BEHIND EXCITER No. 2 IN BACKGROUND. EXCITER No. 1 GENERATOR HAS A COVER OVER TOP HALF OF COMMUTATOR ELEMENT. VIEW TO NORTHWEST.
9. POWERHOUSE INTERIOR, DETAIL OF EXCITER No. 2 GENERAL ELECTRIC GENERATOR NAMEPLATE. VIEW TO EAST.
10. POWERHOUSE INTERIOR, DETAIL OF EXCITER No. 2 GENERAL ELECTRIC GENERATOR SHOWING CABLING FROM ARMATURE TO COMMUTATOR. VIEW TO NORTHEAST.
11. POWERHOUSE INTERIOR, DETAIL OF EXCITER No. 2 GENERAL ELECTRIC GENERATOR SHOWING COPPER COMMUTATOR AND CARBON BRUSHES. VIEW TO NORTHEAST.
12. POWERHOUSE INTERIOR SHOWING EXCITER No. 2 SMALL PELTON-DOBLE IMPULSE WHEEL, HAND-CONTROLLED GATE VALVE, AND NOZZLE. VIEW TO SOUTHWEST.
13. POWERHOUSE INTERIOR, DETAIL OF EXCITER No. 2 GENERAL ELECTRIC INDUCTION MOTOR NAMEPLATE. VIEW TO EAST.
14. POWERHOUSE INTERIOR, EXCITER No. 2 SHOWING GENERAL ELECTRIC INDUCTION MOTOR IN SERIES BETWEEN PELTON-DOBLE IMPULSE WHEEL AND GENERAL ELECTRIC GENERATOR. VIEW TO EAST.
15. POWERHOUSE INTERIOR SHOWING EXCITER No. 2 WITH EXCITER No. 1 BEHIND. OVERHEAD CRANE DANGLES AT TOP OF PHOTO. VIEW TO NORTHEAST.


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