1630 Map entitled: 'A Plan of the River Thames from Boulter's Lock to Mortlake, Surveyed by order of the City of London in 1770, by James Brindley Engineer'
A letter to Richard Trevithick from Davies Giddy regarding calculations associated with steam engines
205 Letter from Sir John Barton to "Commissioners appointed to consider the means of preventing the Forgeries of the Notes of the Bank of England"
126 items Collection of letters signed by scientists, physicians and engineers, generally on scientific or professional matters
1860 Mr. Wilson's Design for a Cast Iron Bridge over the Thames, instead of the Present London Bridge
280 An economical plan for examining the merits of the Velocipede, or Swift Walker, and a chance of obtaining one for five shillings
1500 Map entitled: 'A Plan shewing the line of the proposed navigation from Bishops Stortford, through part of Essex, Cambridgeshire and Suffolk, to the Brandon River, on the borders of Norfolk ... '
2 items Extracts from correspondence relating to the installation of a steam engine at the Royal Foundry, Woolwich Arsenal
340 Directions pour se servir du Microscope Solaire, fait par P. et J. Dollond, Opticiens, dans le Cimitiere de St. Paul, a Londres
2 volumes Collection of letters by James Cobb describing tours taken to north Wales, Scotland, Paris, north west France and Belgium
A letter to Richard Trevithick from Davies Giddy regarding Trevithick's results from his first trial of the Herland pole steam engine
