| Description | Boat-Mounted Pumping and Dredging Engines (5 items).
1279a. Commissioners of the River Orwell, Ipswich (ZE). Sep. 1805, May 1806. 5 items.
6 horse power bell crank engine, with 16 inch cylinder, 2 foot stroke.
Sketch side view of the dredging machinery and plan of the boat, marked "Machine for deepening the River at Ipswich - W. Tongue"; side view and plan of the boat, engine, boiler and dredging machinery marked "copied from Mr. Chapman's drawing"; side view and plan of the engine and boiler - reverse drawing; sketch of crank shaft by Samuel Wright, millwright; letter from William Chapman dated York, 3 Sep. 1805, with sketch of the position of the engine and boiler. The reverse drawing bears a letter code.
Original Portfolio or 'Book' No. 585.
For the Commissioners of the River Orwell, Ipswich, Suffolk. The engine was ordered by William Chapman. It was mounted in a boat and worked dredging machinery. This engine was omitted from the Catalogue of Old Engines. |