655--Axe for hewing timbers
656--A special-purpose wrench.
657--A wood splitting wedge?
Re: What is it? CXIII
May 04, 2006
3 Replies
"Steve W." wrote in news:1146751902_191 @sp6iad.superfeed.net:
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
657: looks like shuttle used on a large loom
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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