Drawing of patent stair-tread elevation. Details of driving shafts with sketch showing proposed method of turning groove on same

PART OF:
Drawings
Made:
1903-12-20
part of archive:
Yorath Lewis Archive
maker:
William Yorath Lewis

Original pencil drawing. Unnumbered drawing.

Details

Extent:
1 document
Identifier:
YOR/5/1[A]
Access:
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