Add to ORKGPhotograph of pumping plant panel board, Southern California, 1931. "Square D, electrical equipment on, D, Square D company off, Detroit, Mich[igan], USA.; Pumping plant panel, cat no. [ilg], type [ilg], 3-phase, 50-50 cyc. H.P, E, volts, 440, Diamon Electrical Manufacturing Company LTD, affiliates with Square D Company, Los Angeles, San Francisco" -- on pumping plant panel
(B&W) 4347 On Back: View on banks of San Joaquin River, Fresno, California showing how electricity i...
Photograph of valve assembly parts, Detco Engineering Co., Southern California, 1931
Photograph of a pattern board with various ornamental architectural hardware, Southern California, 1...
Photograph of several pump valves and sucker rod couplings, Axelson Machine Co., Southern California...
Photograph of pumping machinery, Pomona Manufacturing Company, Southern California, 1925. "Pomona" -...
Photograph of electric switchgear, Southern California, 1931. "Main Lighting Service; Main Power Ser...
Photograph of air painting machinery, Southern California, 1929. "General Products" -- on machinery
Photograph of pumping machinery, Southern California, 1928. "[ilg]own, [ilg]ne, California, [ilg]ine...
Photograph of installation of electrical switchgear and control panel in new Los Angeles theater, Di...
Photograph of an interior view of the water power plant on Kern River, ca.1930. Two identical cylind...
Photo shows a switchboard in the powerhouse at Ilium hydroelectric station, San Miguel County, Color...
Stereograph showing part of a power plant, possibly the San Francisquito Power Plant No. 1, operated...
Photograph of the Southern California Edison steam power plant in Long Beach, ca.1930. At left, a tw...
Photograph of drawing of Pomona pump, Southern California, 1930. "Pomona" -- on pump
Photograph of bottling plant, Southern California, 1936. "Property of Acme Brewing Co., Los Angeles,...
(B&W) 4347 On Back: View on banks of San Joaquin River, Fresno, California showing how electricity i...
Photograph of valve assembly parts, Detco Engineering Co., Southern California, 1931
Photograph of a pattern board with various ornamental architectural hardware, Southern California, 1...
Photograph of several pump valves and sucker rod couplings, Axelson Machine Co., Southern California...
Photograph of pumping machinery, Pomona Manufacturing Company, Southern California, 1925. "Pomona" -...
Photograph of electric switchgear, Southern California, 1931. "Main Lighting Service; Main Power Ser...
Photograph of air painting machinery, Southern California, 1929. "General Products" -- on machinery
Photograph of pumping machinery, Southern California, 1928. "[ilg]own, [ilg]ne, California, [ilg]ine...
Photograph of installation of electrical switchgear and control panel in new Los Angeles theater, Di...
Photograph of an interior view of the water power plant on Kern River, ca.1930. Two identical cylind...
Photo shows a switchboard in the powerhouse at Ilium hydroelectric station, San Miguel County, Color...
Stereograph showing part of a power plant, possibly the San Francisquito Power Plant No. 1, operated...
Photograph of the Southern California Edison steam power plant in Long Beach, ca.1930. At left, a tw...
Photograph of drawing of Pomona pump, Southern California, 1930. "Pomona" -- on pump
Photograph of bottling plant, Southern California, 1936. "Property of Acme Brewing Co., Los Angeles,...
(B&W) 4347 On Back: View on banks of San Joaquin River, Fresno, California showing how electricity i...
Photograph of valve assembly parts, Detco Engineering Co., Southern California, 1931
Photograph of a pattern board with various ornamental architectural hardware, Southern California, 1...