Letters (mechanical notation) used to indicate the most important parts of Plan 28a.
Reduction of the three equations
Untitled [Arrows indicating different forms of drive and connection].
Untitled [Arrows indicating different forms of drive and connection].
Draft copy of Plan 28, dated 28 December 1842.
The drawings of the New Engine arranged according to the subjects alphabetically. Analytical.
List of designs. Cross reference list, showing numbers of drawings, pages of sketch books and numbers of notations.
Counting apparatus. Arrangement of wheels.
List of variables, their signs and coefficients
Catalogue of 386 notations with their classification.
Catalogue of the drawings of the New Analytical Engine.
Analytical Engine Plan 28. Scale 1/6. Draft.
Notation of the reduction of the three equations. Successive reductions of three simultaneous equations in three variables to find the value of one variable
Solution of a single linear equation and reduction of two simultaneous equations in two variables to two independent linear equations
Reduction of three simultaneous equations in three variables to two simultaneous equations in two variables
Reduction of three simultaneous equations in three variables to two simultaneous equations in two variables
Tabulation of a quadratic by differences
My Machine 1888 II Plan of driving cams, levers, etc. in initial position.
My Machine 1889 III Development of driving cams.
Plan of part of framing of Drawing 161. Tracing of BAB A/161.
Part of framing shown on 160. Tracing of BAB A/160.
Elevation of part of framing of Drawing 160.
Rough notes and sketches, including drawings of Babbage's game 'Tit Tat Toe'.
Principles to be followed in the description of the constituent portions of the Analytical Engine.
Sheet 1. Successive reduction of three simultaneous equations in three variables to find the solution for one variable.
Sheet 2. Successive reduction of five simultaneous equations in five variables to find the solution for one variable.
List of chemical expenses
Notebook titled 'Draft Notations and Sketches of Notations: Cases'
Notebook titled 'Draft Notations and Sketches of Notations'
Temporary staging
Untitled. [Operations for the Analytical Engine]
Scribbling Book Volume V. Important matter of history in the Analytical Engine.
Sketch Book Volume IV
Receipts and charges for various accounts and goods plus lists of addresses and of fruit trees planted by A. Parkes
Notes and observations on ores and compounds
A letter from Brunel to Monsieur D'avannes, commenting on the working conditions, accident and health records of the workforce at the Thames Tunnel
A letter from Brunel recommending "practical men"
A letter from Brunel to Lord Duke regarding test borings next to the River Thames
Brunel's autobiographical note
A letter from Davies Giddy advising Richard Trevithick on his future course of action following the failure of a claim for government assistance
A letter to Richard Trevithick from Davies Giddy regarding arrangement of boiler tubes in Trevithick's Herland Mine engine
A letter to Richard Trevithick from Davies Giddy regarding theoretical treatment of ex-pansive working of a non- condensing high-pressure steam-engine
A letter from Brunel to G Dollond saying the entrance to the tunnel will be at Wapping
A letter from Brunel to Mr Tucker regarding his recently patented tinfoil
A letter to Richard Trevithick from Davies Giddy regarding calculations associated with steam engines
A letter to Richard Trevithick from Davies Giddy regarding steam engine velocity
A letter to Richard Trevithick from Davies Giddy regarding steam engines
"Notes taken during a course of chemical lectures given at Paris in the Winter of 1802-3 by Monsieur Vauquelin"
