Volume entitled: "Arrete du Ministre des Travaux Publics portant reglement pour l'Ecole Nationale des Mines, Paris"
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"
Letter from Hardwick to Euston Station Enlargement Committee, regarding the completion of buildings with accompanying report from a member of his staff
Letter from Hardwick to unknown regarding screening of counter in Great Hall Euston due to cold drafts experienced by staff
Letter from Hardwick to Mr Lund (?) regarding the ‘ornament in the resistance of the new building at Euston Station’
Plan and elevation of a platform for giving circular motion to axes applied as an experiment to the Difference Engine No. 2. Drawing 163.