Ken,
I'm wondering if this isn't a crank, used for editing film. Editors would have film reels on either side, with a film viewer and a splicing block in between.
I couldn't think of the name of it, J and I looked online. If this is right it is called a film winder.
John
Last edited by OurWorkbench; 09-04-2015 at 05:39 AM.