The general plan of Mr. Babbage's Great Calculating Engine. Arrangement and rack, details, et cetera.
Elevation of Difference Engine No. 2.
Plan of the Difference Engine No. 2.
Plan of the Analytical Engine without lettering.
Arrangement and rack of Plan 25
Division. Sheet 9 of 15.
Mill counting apparatus. Consecutive elevation.
Rough notes and sketches, including drawings of Babbage's game 'Tit Tat Toe'.
Scribbling Book Volume XIV. Travelling Scribbling Book.
Sketch of drilling machine. Details.
Complete trains of the Analytical Engine
Hoarding and anticipating carriages.
Solution of two simultaneous equations
Figure 1. Plan, elevation and detail.
Analytical Engine (appears incomplete).
Untitled. This drawing is a cardboard model.
General plan of Analytical Engine, quarter size.
General plan of the Analytical Engine, half size.
Carriage and method of setting spiral axes for a machine of 50 cages with two figure wheels in each cage. Plan, elevation, details.
Draft notation of the Difference Engine No. 2
Sketch elevation of the driving and directive of the Analytical Engine.
Drawing of warning and carrying arms
Scribbling Book Volume V. Important matter of history in the Analytical Engine.
Drawings of Difference Engine No. 1
Elevation and end view of part of general framing. Plan.
Plan 27. Linear arrangement with letter notations.
Plan of left half of middle group for General Plan 28.
Sketch Book Volume III
Scribbling Book Volume X
The first drawing of the circular arrangement of the new engine
Untitled, appears to represent the printing mechanism.
Scribbling Book Vol XI. Drawing Office.
Sign apparatus for Plan 28a. Plan, elevation.
Catalogue of the drawings of the New Analytical Engine.
Notation of the Analytical Engine
Sketch of a plan for reserving the carriages.
Small planing machine. Sheet 1.
Parts of slide for the Planing machine. Plan, elevation
Plan of mill, table wheels and carriage. Sheet 31.
Untitled. Probably a plan and elevation.
Addition and subtraction. Multiplication by stepping without table (to be done in store). Division by powers of ten (stepping done in store).
Notation of the Analytical Engine
Multiplication. Sheet 1 of 4.
Multiplication, division and addition for verticals. Sheet six of six.
Calculating machine.
![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.
Plan 16. Arrangement, several partial arrangements, numerous notes.
Plan No. 24. Arrangement and rack, rearrangement or notes.
