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I was given what looks like a partial vintage Zeiss scientific camera, 8x10, with a Zeiss Jena 165mm lens.
It is partial: bellows+front standard+incomplete back, lens, no lensboard, rail/bed, or...

I need to treat some very stiff bellows on an old Kodak Vest Pocket folder circa 1934-35 (not LF, but I thought of asking here).

The common recommendation is "Pledge, yellow can". Great, except...

I recently got a Pacemaker Speed Graphic, and with it came film holders, some with film still in them!

The whole kit has not been used since the 1960s.

Should I clean the film holders?
Best...

A friend gave me a Toshiba Linear reflective meter, made in the mid-sixties, but well cared-for.

How could I evaluate how far off this guy may be?
methodology, and tools?
Metering I have is...