File talk:Screw making machine, 1871.png
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This machine was made by Joseph Whitworth in 1871.
This is the current revision of this page, as edited by 71.66.108.46 (talk) at 23:42, 14 February 2012 (←Created page with 'This machine was made by Joseph Whitworth in 1871.'). The present address (URL) is a permanent link to this version.
This machine was made by Joseph Whitworth in 1871.