Difference Engine index of parts.
Digit counting apparatus on the two upper wheel selectors.
Store variable selectors. Superseding drawing No 2.
Adding axis and wheels without framing
Plan of the figure wheels for one method of adding numbers.
Solution of two simultaneous equations
Notation for the coefficients of the powers of x Computation of the coefficients of a polynomial from those of another divided by a linear term.
Frame of adding wheels
Motion for carrying the tens, plus and minus.
Section of adding wheels and framing.
Long pinions in the position for stepping. Adding wheels and short pinions behind long wheels.
Lifting apparatus by screw. Sheet 9.
Carriage and racks in sections. Sheet 10.
Side and end elevation of feed motion with shade. Second revision.
Sections of framing and racks. Sheet 6.
Side and end elevation of feed motions. Showing the bands in different colours.
Reverse motion for cross planing.
Back and end elevation of cross slide.
Side and end elevations of feed and driving apparatus
Elevation and section of cross slide.
Small planing machine. Sheet 1.
End and side elevation of Large Universal Machine.
Plan, elevation and section of cross slide.
Plan of left half of middle group for General Plan 28.
Plan of Large Universal Machine.
Untitled plan and elevation. Incomplete.
Plan of mill, table wheels and carriage. Sheet 31.
Adding column with motion for changing from plus to minus. Incomplete.
Platform raising apparatus. Sheet 33.
Untitled. A model of six cages was made from this drawing. Incomplete.
Tabulation of a quartic by differences
Generation of the coefficients in the product of two cosine series
Generation of the coefficients in the product of two polynomials
Notation for computing the elliptic radius vector by having the eccentricity and the mean anomaly
Reduction of the three equations
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.
List of variables, their signs and coefficients
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.
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.
Letter from George Stephenson, Newcastle to Timothy Hackworth, Darlington
