Three Cadmium sulphide photo cells
- Made:
- 1960-1965
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LicenseThree Cadmium sulphide photo cells: Mullard ORP12 (c
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Three Cadmium sulphide photo cells: Mullard ORP12 (c.1960); Mullard RPY58 (c.1965); Clair CL705 light spot movement detector (c.1965)
