Includes: calculations on pumps and hoists, including for Mr. Blewitt 's colliery, May 1844; sketch map of Devonport and Plymouth; dimensions of the "Great Western" steamship; notes on mines and engines; and travel notes and records of expenses.
- Calculations on pumps and hoists, including for Mr Blewitt's colliery at Cwm Brane, near Newport, Monmouthshire, May 1844
Sketch map of Devonport and Plymouth
Dimensions of the Great Western steamship, 1837
Notes on mines and engines
Travel notes and records of expenses