Drawing of Adkins-Lewis system for coal transport specification and estimate of quantities, data etc for 3 track installation in main road

Made:
1952-1954

Original pencil drawing on tracing paper. Unnumbered and undated drawing.

Details

Extent:
1 document
Identifier:
YOR/5/[198]
Access:
Access is given in accordance with the NRM access policy. Material from this collection is available to researchers through Search Engine