Search our collection
The Babbage Papers
Clear all filters
The Babbage Papers
The first drawing of the circular arrangement of the new engine.
Untitled. This drawing is a cardboard model.
Sundry axes and wheels for Plan 28.
The general plan of Mr. Babbage's Great Calculating Engine. Arrangement and rack, details, et cetera.
Addition No. 4. Carriage No 6. Elevation and plan.
Figure 1. Carriage No. 16. Method of carrying; intended for the Great Machine. Plan, elevation, notation, details. Description 24 February 1837 with additional sketches and notes.
Stepping No. 1 on or in central wheels. Figure 1. Figure 2. Various unnumbered elevations, plans and details.
Figure 1. Sketch 7*, circular arrangement.
Counting apparatus No. 1. Plan, elevation. Apparently for counting steps in multiplication, division and square root.
Notation of cards for algebraic addition if more than 40 figures.
Sketches of mill used for arranging operations on the engine of four wheels in each cage from April 1836 - August 1837.
Solution of two simultaneous equations
Tool Book. Volume I. Discussion and sketches of tools.
Wheels for driving the adding axes. Plan.
Plan of the figure wheels for one method of adding numbers.
Figure 1. Plan, elevation and detail.
Carriage by vertical chain. Plan, elevation.
Sketch of a method of multiplication by means of the directive power stepping. Plans, elevations and details.
Sketch Book Volume III
Carriage No. 8. Figure 1. Method of carrying. Plan, elevation.
Locking motions for carriage column.
Rack pinions for connecting table figure wheels with printing stereotype sectors. Elevation. Tracing of BAB A/174.
End view and side elevation of driving and lifting apparatus.
Sketch of a plan for reserving the carriages.
Figure 3. Zero Apparatus No. 1. Improved arrangement of snails, figure wheels et cetera for design dated 27 September 1834 and also for a design dated 24 January 1835. Elevation.
Scribbling Book Volume XV. Containing various developments of series for the Analytical Engine, molecules elliptic, and various developments.
Plan for existing system of two racks. Arrangement plan and four detail elevations.
Sketch No. 7. Two parts each. July 4 1835. General arrangement.
Gearing et cetera of Sketch dated July 31 1835. Plan, once part of Drawing 22.
Method of bolting to platforms for vertical motion of axes, plan.
Figure 1. Stepping No. 2. Sketch to examine a method of multiplication by stepping. Plan, elevation.
Sketch described as '32 teeth to be cut into this mould, 3/16 pitch'.
A draft drawing labelled 'Sheet 3', showing card adding axis, mill adding axis, figure wheels, warning bar and lever and tens lifting slide.
First of the six 'Universal Tool' sheets.
Figure for notation 181.
Trains of the Analytical Engine. Third Edition.
Untitled rough sketch of machine parts.
Elevation and section of cross slide.
Adding axis and wheels without framing
Sketch 13. General arrangement, circular. Showing 30 variables, 5 barrels with reducing apparatus, punch card mechanism, printing apparatus. Notes introduction of great bevel wheel 18 March 1837.
Scribbling Book Volume V. Important matter of history in the Analytical Engine.
Rough draft of Universal Machine Tool. Designed and employed for obtaining the different motions.
Combinatorial and decimal counting apparatus comprising plan, elevation and description.
List of letters with the numbers of the drawings on which they occur.
Analytical Engine. Algebraic addition of k figures.
Scraps and sketches that have been copied. Probably refers to the Analytical Engine.
Counting apparatus. Arrangement of wheels.
Figure 1 Sketch No. 9, arrangement. Examination of stepping by long pinion shifting a whole cage. Elevation.
You're on page