Letter from Leighton Dalrymple, Lieutenant Colonel. Account of his visit to Wakefield and Leeds, including a description and sketch of John Blenkinsop’s Steam Locomotive 'Salamanca'
Manuscript entitled: "Catalogue of the Apparatus of Philosophical Instruments, in the Collection of Her Late Majesty Queen Charlotte, at the Observatory at Richmond in Surrey"
Pamphlet entitled ‘A Further Report on the Intended Rail or Tram Road, from Stockton, by Darlington, to the collieries, with a branch to Yarum [sic]’
Document entitled ‘A subscription for defraying the expense of obtaining information respecting the expediency and advantage of a canal or rail way for the conveyance of merchandise to and from Stockton…’
Pamphlet entitled ‘A Further Report, on the Intended Rail or Tram Road, from Stockton, by Darlington, to the collieries, with a branch to Yarum [sic]’
Copy [bill] London [to] Navy Commissrs./John Rennie, [for] Cast Iron Diving Bell, [pumps and machinery parts etc Reference to the 'Sheerness Diving Bell'. Bears note re the bell/Goodrich, and note from the Navy Office on verso]
Stepping No. 1 on or in central wheels. Figure 1. Figure 2. Various unnumbered elevations, plans and details.
Sketches of mill used for arranging operations on the engine of four wheels in each cage from April 1836 - August 1837.
Elevation of arrangement 13 with some of the driving and directive. Elevation includes section of a barrel '65 bands 80 verticals'.
Sketch of an apparatus for advancing stereotype frames of the Difference Engine by cranks and backing them by weights. Superseded. Plan, elevation.
First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.