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- Acme Apparatus Company Filament Transformer, 1920-1925 -
- 1920-1925
- Collections - Artifact
Acme Apparatus Company Filament Transformer, 1920-1925
- Continuous Wave Power Transformer, 1921-1922 -
- 1921-1922
- Collections - Artifact
Continuous Wave Power Transformer, 1921-1922
- Acme Loudspeaker, Type K-A, 1925-1926 -
- 1925-1926
- Collections - Artifact
Acme Loudspeaker, Type K-A, 1925-1926
- Acme Apparatus Company Filament Transformer, 1921-1925 -
- 1921-1925
- Collections - Artifact
Acme Apparatus Company Filament Transformer, 1921-1925