I bought a used Heathkit darkroom timer here. It was recently offered and the seller always sells great stuff. Look it up.
Heathkit holds a special place for some of us of a certain age. They made advanced electronic kits for skilled hobbyists.
I really regret not buying and keeping more Heathkit.
This timer works great, very accurate. As soon as I got it, I opened it up for a safety inspection.
Really skilled assembly, with great solder joints, very trim wiring and all components look like new.
It even has one Electron tube!
Draws only 5 watts and is as accurate as I can test with an electronic modern stop watch. I figure +/- 0.1 seconds.
Not all people assembled these kits as nicely as this, so do not trust just any Heathkit device to be the same quality once assembled. Old tube equipment can be dangerous. I put my tube radio collection on a high shelf so I can admire them, but no longer use them.
This timer will be used safely. ymmv
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