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
Solution of two simultaneous equations
Analytical Engine (appears incomplete).
Figure 1. Plan, elevation and detail.
Hoarding and anticipating carriages.
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.
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
Draft notation of the Difference Engine No. 2
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.
Sketch of a plan for reserving the carriages.
Small planing machine. Sheet 1.
Addition and subtraction. Multiplication by stepping without table (to be done in store). Division by powers of ten (stepping done in store).
Parts of slide for the Planing machine. Plan, elevation
Plan of mill, table wheels and carriage. Sheet 31.
Untitled. Probably a plan and elevation.
Notation of the Analytical Engine
Calculating machine.
Notation of the Analytical Engine
Plan 16. Arrangement, several partial arrangements, numerous notes.
Plan No. 24. Arrangement and rack, rearrangement or notes.
First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.
Multiplication. Sheet 1 of 4.
Multiplication, division and addition for verticals. Sheet six of six.
Vertical movements of axes ordered by left barrel for multiplication compiled in part from a genealogical notation. Sheet 3 of 3.
