Reply by Lee Barker

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Posted on Can you help me identify the manufacturer of this duplex shoulder plane?

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Lee Barker

2170 posts in 2847 days

#1 posted 10-04-2012 06:01 PM

Chris, I don’t think it’s any kind of offcut. I think the holes make it easier to handle and hold. I’m not sure they’re essential though.

Randy, the angles appear different in the image but they are the same—49.3o.

Note the two holes on the leftmost end in the first image. They overlap, kind of sloppily. Note also the Sharpied number on the side.

So here’s my theory: It’s a school project. Metals 205 maybe. The student was required to cast a part and machine it and machine additional parts to a certain degree of precision when installed. (The iron and wedge both have machining marks on them, not visible in the images.) The chamfering of the holes is pretty sloppy and the overall texture of the casting is quite inconsistent.

Given the general standards of plane making over the years, this falls short of even a cheaper homecraft type tool.

The 519 is a student number or a project number.

What do you think? Are we holding water yet?

-- " his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

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