Drawing of detail of driving spirals showing varying pitch lengths etc

PART OF:
Drawings
Made:
1922-09-14
part of archive:
Yorath Lewis Archive
maker:
William Yorath Lewis

Blueprint. Stamped "Ville de Paris Concours Trottier Roulant submitted by Wm Yorath-Lewis, competitor" and "Never-Stop Transit Ltd". Missing.

Details

Extent:
1 document
Identifier:
YOR/5/PC2
Access:
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