- Richard Beamish, civil engineer: diaries with letters from I K and M I Brunel 1827-1828
- George Stephenson, railway engineer: plan and section of proposed Chester and Crewe railway
- Robert Stephenson, civil engineer: letters [3] to the Directors of the Aylesbury railway 1838-1839
- Robert Stephenson, civil engineer: letter to Richard Creed re relative advantages of rope/locomotive working 1843
- Charles Blacker Vignoles, civil engineer: map and section of projected Sheffield, Ashton under Lyne and Manchester Railway 1836
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