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X-ray film cassette fitted with intensifying screens
![15 x 12 inch x-ray film cassette fitted with intensifying](https://coimages.sciencemuseumgroup.org.uk/502/116/medium_smg00282314.jpg)
15 x 12 inch x-ray film cassette fitted with intensifying screens, by Watson and Sons ( Electro-Medical) Ltd., Sunic House, Parker Street, Kingsway, London, WC2, England, 1935-1951.
15 x 12 inch x-ray film cassette fitted with intensifying screens, by Watson and Sons ( Electro-Medical) Ltd., Sunic House, Parker Street, Kingsway, London, WC2, England, 1935-1951.