Notes and calculations relating to proposed deep level "Continuous winding" for coal mines Adkins-Lewis system
- PART OF:
- Drawings
- Made:
- 1955-11-18
- part of archive:
- Yorath Lewis Archive
- maker:
- William Yorath Lewis
Original pencil drawing. Unnumbered drawing.
Details
- Extent:
-
1 document
- Identifier:
- YOR/5/[191]
- Access:
- Access is given in accordance with the NRM access policy. Material from this collection is available to researchers through Search Engine