Re: What is it? CXIII


655--Axe for hewing timbers 656--A special-purpose wrench. 657--A wood splitting wedge?
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Yes, that makes a lot more sense. The cylinder heads are held on by just a few wimpy looking rods, which couldn't support even a very low pressure without leaking. But if it's intended to draw a vacuum in the cylinder, they'd be self-sealing.
John
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657: looks like shuttle used on a large loom
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658- A vacuum powered motor that drives the paper roll of a player piano. It's unusual in that roll motors usually use bellows rather than pistons, but there were a tons of different player designs.
Bob
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