| RefNo | JS/4/64 |
| Previous numbers | IV.64 |
| Level | Item |
| Title | Coffer Dam, and Wooden-Girder Bridge, Harraton, County Durham |
| Date | 1783 |
| Description | Design for a coffer dam for founding the piers of Harraton Bridge
Press copy, plan, scale 1:36
Ink
Signed 1783, and;
Design for a scaffold bridge over the river Wear at Harraton in the County of Durham
Elevation transverse section and plan, scale 1:72
Ink wash
Signed 1783 |
| PhysicalDescription | Paper, ink |
| Notes | Early use of Watt's press-copying process |
| AccessStatus | Open |
| RelatedMaterial | See Smeaton's Reports I.20, dam, and III.378, bridge, but no engraving |