A long-lead front spiral apparatus by Goyen, Newton Abbott, comprising spiral chuck with worm wheel, typical worm and bevel gear unit, bracket and supports for extended work and face work, eleven change wheels and sundries in a typical Goyen chest (top handle absent)

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A long-lead front spiral apparatus by Goyen, Newton Abbott, comprising spiral chuck with worm wheel, typical worm and bevel gear unit, bracket and supports for extended work and face work, eleven change wheels and sundries in a typical Goyen chest (top handle absent)

Lot Essay

This apparatus is described in SOT Bulletin No.68 p.126 and the worm and bevel device illustrated in fig 13 p.134 of the article on Goyen by R. Davies. This example had been adapted to Lot ? (G1) but is probably more need for a Goyen which has lost it.

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