Marshall's Geological Diagrams
Letters patent granted to Thomas Clarke and John Varley for 'An improvement on the atmospheric system of propulsion which is also applicable to other motive purposes'
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"
Temporary staging
Pages 176 and 177 of John Graham's report book 1838-1845
Pages 62 and 63 of the Robert Stephenson & Co Ltd minute book no.1
Printed pamphlet entitled 'A Short and Sure guide to Railway Speculation. A Few Plain Rules how to Speculate With Safety and Profit, in Railway Shares. By a Successful Operator.' Dedicated to George Hudson by ‘A Director’. 6th ed, with additions
Motions of the printing apparatus
Motions of the stereotype frames
Circular motions of the calculating axes
Motions of the stereotype frames
Untitled pencil layout, includes mill racks.
Untitled. [Drawings of cams]
Cross-written letter from Miss Smith to Jane Young (nee Hackworth), Vilvorde, Belgium
Locking motions for carriage column.
Vertical positions of the wheels of Plan 28. Sheet 15 of 23.
Vertical positions of the wheels of Plan 28 for multiplication. Sheet 14 of 23.
Vertical positions of the wheels of Plan 28 for algebraic addition of i k figures. First part of cycles ordered by verticals n and 'n of centre barrel. Sheet 20 of 23.
Algebraic addition of i k figures. Cycle ordered by vertical "a of centre barrel. Sheet 21 of 23.
Vertical positions of the wheels of Plan 28 algebraic addition of k figures. Sheet 19 of 23.
Algebraic addition of i k figures (General Plan 28). Cycle ordered by vertical ""s of centre barrel. Sheet 23 of 23.
Vertical motions of the wheels and axes of the right, middle and left groups of Plan 28 for multiplication as performed in working Notation 268. Sheet 1 of 4.
Differences as performed by General Plans 28 and 28a. Sheet 2 of 2.
Untitled. [Trains and vertical motions of the wheels and axes of the right, middle and left groups of Plan 28a for division as performed in working Notation 290]. Sheet 3 of 4.
Untitled. [Trains and vertical motions of the wheels and axes of the right, middle and left groups of Plan 28a for division as performed in working Notation 290]. Sheet 2 of 4.
Duties of the calculating mechanism of Plan 28a. Centre group. Sheet 4 of 11.
Differences as performed by General Plans 28 and 28. Sheet 1 of 2.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Right group. Sheet 2 of 11.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Right group. Sheet 1 of 11.
Stepping up or down or multiplying or dividing by any power of ten. Plans 28 and 28a. Sheet 1 of 2.
[Notation of units for General Plan 28]. Superseded by 353. Sheet 5 of 7.
Verticals of algebraic addition of i k figures. Notation 321. Sheet 2 of 3.
Vertical motions of the wheels and axes of the middle group of Plan 28 for algebraic addition of i k figures as performed in Notation 321. Sheet 1 of 2.
Verticals of algebraic addition of i k figures. Notation 321. Sheet 1 of 3.
[Notation of units for General Plan 28]. Superseded by 353. Sheet 2 of 7.
[Notation of units for General Plan 28]. Superseded by 353. Sheet 7 of 7.
Verticals upon four barrels for algebraic addition of i k figures. Notation 321. Sheet 1 of 2.
Vertical motions of the wheels and axes of the centre group. Sheet 1 of 4.
Analysis of the trains with reference to cycles and verticals. Left group. Sheet 3 of 3.
Duties of the mill counting apparatus which require the cycle of a(=12) units for Plan 28a. Sheet 2 of 2.
Analysis of the trains with reference to cycles and verticals. Right group. Sheet 1 of 3.
Duties of the calculating mechanism of Plan 28a. Centre group. Sheet 7 of 11.
Vertical motions for algebraic addition of i k figures. Sheet 2 of 2.
Vertical motions of the wheels and axes of the centre group. Plans 28 and 28a. Sheet 2 of 4.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Centre group. Sheet 6 of 11.
Motions of some of the axes for Plan 28. Sheet 2 of 8.
Untitled. [Vertical motions of the wheels and axes of the right, middle and left groups of Plan 28 for multiplication as performed in working Notation 268]. Sheet 3 of 4.
Motions of some of the axes for Plan 28. Sheet 1 of 8.
