Drawing of development of variable pitch spiral
- PART OF:
- Drawings
- Made:
- 1910
- part of archive:
- Yorath Lewis Archive
- maker:
- William Yorath Lewis
Blueprint. Unnumbered and undated drawing. Attached to drawing number [157] with notes.
Details
- Extent:
-
4 document
- Identifier:
- YOR/5/[156]
- Access:
- Access is given in accordance with the NRM access policy. Material from this collection is available to researchers through Search Engine