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Title | Maker | Date Made | |
Holophane-Edgcumbe Auto-Photometer | Everett, Edgcumbe and Co | Mid 20th c. | View |
Model 455 Moving Coil Light Meter | Megatron Ltd | Mid 20th c. | View |
Model S511 Photometer | Weston Instruments | September 1978 | View |