13' 0" Tunnelling Shield, Cutting Edge, Bulged Top Markham & Co. Ltd., Chesterfield

Blueprint, scale: 12", 3", 1 ½" and 1" – 1".

Details

Extent:
1 Drawing
Identifier:
P&R/11/7
Access:
. All requests for access to this collection should referred to the NRM Archives Manager for approval

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