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A Question on Bench Blocks

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Michael Gilligan27/12/2019 00:04:48
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Posted by Hopper on 26/12/2019 23:03:28:
[…]
 
Knowing Starrett, their block was possibly patented well before 1911 anyway.

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See page_1 ... Dave found a patent [the patent?] filed 1921, and issued 1923

MichaelG.

Edited By Michael Gilligan on 27/12/2019 00:05:39

Bazyle27/12/2019 00:43:27
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Posted by Ketan Swali on 26/12/2019 19:41:50:
Posted by Neil Wyatt on 26/12/2019 19:29:36:

I thought, though I may be wrong, that someone had definitely shown the 'wonky' holes derived from the needs of gunsmiths rather than being sloppy construction or drawing?

Neil

Yes, Clive and Speedy did. But some people are finding it difficult to accept that explanation, especially as gunsmiths is less likely to be a hobby in which one participates in U.K./Europe, and also as Staratts original patent shows the holes to be centered in the vee.

Ketan at ARC.

I don't think anyone is disputing the gunsmith usage nor that some are made to a specific drawing as shown earlier. The point is there are clearly two distinct versions, one with offset holes for specific pin removal tasks and one dead symmetrical. As humans mostly expect things to be symmetrical (though the human body is distinctly not so) it would not be difficult for any seller, whether Indian or Chinese, to be specific about any deviations from what might reasonably be expected, or on ebay where lots of pictures can be included to show the actual manufacturing drawing.
It is the equivalent of the need to add "contains nuts" on foods that aren't usually associated with nuts.

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