General electric exposure meter type pr-3
- 2005.005.4.007
- Unidad documental simple
- [ca. 1958]
Item is a selenium cell type light meter. Working condition, selinium cell is weak. Incident light attachement is missing
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Descripción archivística- 2005.005.4.004
- Unidad documental simple
- 1939
Item is an extinction exposure meter for motion picture cameras.