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"
Archives relating to Engines used by Thomas Redfern
Catalogue of Useful Inventions for Cotton Spinners, Manufacturers and for all textile trades
An edition of 'The Photogram' journal vol. 2 no. 17
Letter from Thomas Christy to Henry Pease
Railway Signal Volume 3 (1885)
Notation of the Analytical Engine
Small planing machine. Sheet 1.
Plan of operation and variable card counting apparatus. Suited to Plans 28 and 28a.
General plan of the Analytical Engine, half size.
![Untitled. [Vertical positions of some of the wheels of Plan 28a. Notation 348 and 331 cycles]. Sheet 12 of 13.](https://coimages.sciencemuseumgroup.org.uk/221/221/large_thumbnail_bab_f_352_12_0001_vertical_positions_of_some_of_the_wheels_of_plan_28a_1845_oct.jpg)
Untitled. [Vertical positions of some of the wheels of Plan 28a. Notation 348 and 331 cycles]. Sheet 12 of 13.
Difference Engine index of parts.
Skeleton of vertical motions for all operations. Right groups. Multiplication and division from 372 Sheet 1. Sheet 1 of 3.
Sign apparatus for Plan 28a. Plan, elevation.
Motions of the stereotype frames
Drawing entitled 'Sectional Drawing for a Steel Protected Cruiser for Colonial Defence to be named'
Sketches of the printing and stereotyping apparatus of the Analytical and Difference Engines. Superseded. Plan, elevation.
![Drawing of Tender for the Magnet Loco Engine, No. 108 Two end sections showing wheels, axle boxes and brake arrangement, [presumably for new tender-patent drawing]](https://coimages.sciencemuseumgroup.org.uk/83/229/large_thumbnail_19124_3.jpg)
Drawing of Tender for the Magnet Loco Engine, No. 108 Two end sections showing wheels, axle boxes and brake arrangement, [presumably for new tender-patent drawing]
Plan of mill, table wheels and carriage. Sheet 31.
Platform raising apparatus. Sheet 33.
Untitled. A model of six cages was made from this drawing. Incomplete.
Notation of periods for right group. Sheet 5 of 5.
Notation of periods for the centre group.
Elevation of parts of the card counting apparatus for operation and variable cards.
Motions of the printing apparatus
Notation 348 cycles 26 and 27. Sheet 7 of 13.
Rising platform and selectors for variable columns in store one to each half of store. Quarter size.
Counting digits, end elevation and printing side elevation.
Table and store axes for Plan 28a. Plan, elevation and note.
Notation 348 cycle 18. Sheet 2 of 13.
An edition of 'The Photogram' journal vol. 5 no. 50
My Machine 1888 II Plan of driving cams, levers, etc. in initial position.
Sketch of an apparatus for lifting the axes of the Analytical Engine. Plan, elevation.
Skeleton of vertical motions for all operations. Centre group. Sheet 3 of 3.
List of the vertical movements in the left middle and right groups. Sheet 1 of 2.
Verticals of algebraic addition of i k figures. Notation 321. Sheet 3 of 3.
Verticals upon four barrels for algebraic addition of i k figures. Notation 321. Sheet 2 of 2.
Drawing entitled 'Sheer Drawing for a Steel Protected Crusier for Colonial Defence to be named'
Side and end elevation of feed motions. Showing the bands in different colours.
Reverse motion for cross planing.
Adding column with motion for changing from plus to minus. Incomplete.
Vertical positions of the wheels of Plan 28. Sheet 15 of 23.
![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.](https://coimages.sciencemuseumgroup.org.uk/221/88/large_thumbnail_bab_f_331_3_0001_trains_and_vertical_motions_of_the_wheels_and_axes_of_the_right_middle___left_groups_of_plan_28a_for_division.jpg)
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.
Notation of units for mill counting apparatus drawings 125, 126 and 137 and for sign wheel drawing. Sheet 6 of 6.
Experimental planing machine
Rough draft of throw out motion for feed apparatus.
Probably a plan of carriage and figure columns.
List of the combinations in division performed as in Notation 290, with the cycles in which they occur. Sheet 1 of 4.
