cliveh
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- Joined
- Oct 9, 2010
- Messages
- 7,559
- Format
- 35mm RF
This clock doesn't do what you want in acting as a normal clock, but I think it is a wonderful clock for any darkroom in terms of accuracy and design:-
I have two of them in my darkroom.

Vintage Junghans Darkroom timer. Wall mounted. Grey. Good working order | eBay
<p>Vintage Junghans Darkroom Timer Wall Mounted very good condition </p><p>Small areas of wear and , some rust see photo. But very good working condition for age.</p>
www.ebay.co.uk
I have two of them in my darkroom.