Sudbury Department, Sudbury Dam Hydroelectric Power Plant, 750 KVA transformers, 275 KVA generators and hydraulic governors, Southborough, Mass., Feb. 7, 1917

Sudbury Department, Sudbury Dam Hydroelectric Power Plant, 750 KVA transformers, 275 KVA generators and hydraulic governors, Southborough, Mass., Feb. 7, 1917

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