Four views of the Tunnelling Shield
| Object no. | LDBRU:2017.10 |
|---|---|
| Size | 515 x 505mm |
| Location | Stored at the London Metropolitan Archives |
| Acquired | Auction at Bonhams Grants from NHMF, Art Fund, V&A, Friends National Libraries & Trinity Buoy Wharf |
Grisaille watercolour of the design for Marc Brunel's tunnelling shield, comprising four composite views, marked as figures 1-4, showing views of the hydraulic pumps propelling the shield, two with miners at work on the face, annotated in pencil with calculations of tons extracted per feet.