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 Mr Lund (?) regarding the ‘ornament in the resistance of the new building at Euston Station’
Duties of the mill counting apparatus which require the cycle of a(=12) units for Plan 28a. Sheet 2 of 2.
Trains and vertical motions of the wheels and axes ordered by barrel no. 2 of the mill counting apparatus of Plans 28 and 28a for division, as performed in working Notation 290. Sheet 2 of 2.
Trains and vertical motions of the wheels and axes ordered by barrel no. 1 of the mill counting apparatus of Plans 28 and 28a for multiplication, as performed in the working Notation 268. Sheet 1 of 2.
Notation of units. Circular motions of the calculating axes. Odd difference warnings and figure wheels.
Notation of units for mill counting apparatus drawings 125, 126 and 137 and for sign wheel drawing. Sheet 6 of 6.
List of the combinations in division performed as in Notation 290, with the cycles in which they occur. Sheet 2 of 4.
Untitled. [List of the combinations in division performed as in Notation 290, with the cycles in which they occur] Sheet 4 of 4.
List, et cetera. [List of the combinations in division performed as in Notation 290, with the cycles in which they occur] Sheet 3 of 4.