Anti-submarine warfare equipment industry
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
Abstract The Sangamo Electric Company was a manufacturer of electrical equipment (meters, time switches, capacitors, sonar equipment, and radio condensers and transformers). The company incorporated in 1899; the Springfield plant closed in 1978.
Dates: Created: 1895-1972; Other: Majority of material found in 1897-1956