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Old 18th Apr 2021, 11:18 pm   #5
Cobaltblue
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Join Date: Dec 2010
Location: Exeter, Devon and Poole, Dorset UK.
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Default Re: Crompton 60W bulb

Dark room maybe for film development.

ISTR red lignts when we were developing B&W film when I was at coledge.

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Mike T
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