Image / This frequency changer at Edison's Colton Substation was a major point of …

This frequency changer at Edison's Colton Substation was a major point of interconnection with Southern Sierras Power Company, prior to the frequency change

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Title: This frequency changer at Edison's Colton Substation was a major point of interconnection with Southern Sierras Power Company, prior to the frequency change
Contributing Institution: Huntington Library
Collection: Southern California Edison Photographs and Negatives
Rights Information: For information on using Huntington Library materials, please see Reproductions of Huntington Library Holdings: https://www.huntington.org/library-rights-permissions
Description: This frequency changer at Edison's Colton Substation was a major point of interconnection with Southern Sierras Power Company, prior to the frequency change. Pg. 219.
Type: image
Format: 255733 Bytes
Extent: Copy negative ; 8x10
Identifier: 11 - 00438
232755
http://hdl.huntington.org/cdm/ref/collection/p16003coll2/id/5620
Subject: Frequency change. (local)
Electric substations
Place: Colton (Calif.)
San Bernardino County (Calif.)
Source: Southern California Edison Photographs and Negatives
Iron Men and Copper Wires
Southern California Edison Photographs and Negatives, Huntington Digital Library

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