Cylindrical tunnelling shield with crank
| Year | 1817 |
|---|---|
| Object no. | LDBRU:2017.20 |
| Size | 255 x 435mm |
| Location | Stored at the London Metropolitan Archives |
| Acquired | Auction at Bonhams Grants from NHMF, Art Fund, V&A, Friends National Libraries & Trinity Buoy Wharf |
Watercolour featuring a cylindrical tunnelling shield with crank (apparently for propelling cast-iron segments into place), cut from a larger sheet (conjoint with LDBRU:2017.19), with scale of feet, dated "September 1818".