- /1 Ms. copy of a note by Whitworth.
- /2 Typescript copy of Whitworth's presidential address, 17 Sep 1856
- /3 Typescript copy of Whitworth's article on guns, c,1873.
- /4 Typescript article on Whitworth's visit to the USA [in 1858]; includes some manuscript notes.
- /5 Holograph notes on decimalisation.
- /6 Holograph notes on plane surfaces.