Ok, not for sealing then....vibration damping, I guess that makes sense. Anyone know what this gasket was made of, so I might try to find a modern substitute? I assume it's impossible to buy these OEM now.
edit: if for vibration reduction it would presumably need to go between the headstock side leg and the cabinet?
I am curious as to material as well. I've been trying to think of what they would have abbreviated to "vel." -- and about the only thing I come up with is "vellum". Would that make any sense at all? Essentially a paper-thin barrier against chips and oils, although I think vellum is a bit more durable than regular paper.
Atlas machines had what they referred to as "fibre" washers and gaskets which were quite thin. I've used a modern impregnated fiber gasket material as a substitute and it seems to work ok. It's only about 0.025" thick. Wonder if it was something similar for the SB gasket in question?
We're talking 1940's technology......it's just a paper gasket about .040-.050" thick, much like you would find on a '57 Chevy water pump. I replaced the ones on mine with 1/8" neoprene rubber. It made a big difference in noise. It goes between the leg and the chip pan or cabinet.
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