In the day of wet-film photography, there were metal and plastic film cans everywhere. The processing shops would give them away.
film cans
Feb 06, 2023
Last reply: 3 years ago
2 Replies
I got a hundred 70-mm film cans from Surplus Shed awhile back. They make beautiful small shield boxes for making measurements--nicer than Danish Butter Cookies tins if your gizmo will fit.
Cheers
Phil Hobbs
They're just about the right size for winding an air-core inductor, for a HF/shortwave band regenerative receiver.
I remember when I was a kid we used to have a camera that used a disc:
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