Four views of the Tunnelling Shield
|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.