拍品專文
This is a well-engineered near copy of the apparatus shown in Evans (1st Edn. Fig 166). It is probably for a fairly large lathe, as the hole for the mandrel tail is 1.03in. diam.
細節
An apparatus for the equal division of the ellipse
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END OF SALE
Entries are now being accepted for
Scientific and Medical Instruments,
Tools, Ornamental Turning and
Other Apparatus
Thursday, 12 November, 1992
Entries are now being accepted for
Scientific and Medical Instruments,
Tools, Ornamental Turning and
Other Apparatus
Thursday, 12 November, 1992