1 Cover page to Witton's book of drawings "Utensils in Canal Work"
2 Witton's signature on his book of drawings
3 A horse drawn gin for removing spoil from a deep cutting. These were used during the excavation of Rowington cutting between 1794 and 1799
4 A later drawing (not by Witton) of horse gins in use during the excavation of a cutting like that at Rowington
5 Detailed drawing of a wheelbarrow
6 Witton's calculations to cost the production of a wheelbarrow.
7 Detail of his rationale for the profit on a wheelbarrow
8 Drawing of a cart as used to transport spoil from Rowington Cutting to the Embankment across the adjacent valley
9 A hand carriage for moving stone
10 Design for upper lock gate
11 Design for lower lock gates
12 Ironwork for lock gates
13
14
15 Lock paddle
16 Ironwork for lock paddle
17 Cast iron frame for lock paddles
18 Costings for the lock paddle
19 Design for a sledge for carrying lock gates
20 Costings for the sledge
