Visual Materials
A drawing of a rectangular vault cover
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A drawing of the square vault cover
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A drawing of the square vault cover, Oct. 2, 1908.
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Blueprints and drawings of vault covers
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Blueprints and drawings of vault covers, hydro machinery, Kern River #3 project maps, Ocean Park Gas Plant plot plan, Kern River #3 Powerhouse artist's drawing proposals, distribution maps, transmission maps, customer correspondence, switching diagrams.
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Lowering large piece of electrical equipment into underground vault
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[Lowering large piece of electrical equipment into underground vault.]
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Lowering large piece of electrical equipment into underground vault
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[Lowering large piece of electrical equipment into underground vault.]
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View through manhole of man working in underground transformer vault.
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Electrical Times cover Oct 1938
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Electrical Times cover Oct 1938 - Automeal Halloween Set.
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