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- Ohio Insulator Company Suspension Insulator Used by the Hydro-Electric Power Commission of Ontario, 1910-1914 -
- 1910-1914
- Collections - Artifact
Ohio Insulator Company Suspension Insulator Used by the Hydro-Electric Power Commission of Ontario, 1910-1914
- Display Stand for Ohio Insulator Company Suspension Insulator, 1930 -
- 1930
- Collections - Artifact
Display Stand for Ohio Insulator Company Suspension Insulator, 1930