Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
Punched cards for Babbage's Analytical Engine
circa 1870
Vertical positions of the wheels. Sheet 4 of 5.
Trains on "F and I during operations in the mill. Sheet 1 of 3
Vertical positions of the wheels of Plan 28. Sheet 5 of 23.
Subsidiary operations on K combined with rack and "F executed during multiplication and division in mill.
Vertical positions of the wheels of Plan 28 for artificial stepping of divisor. Sheet 17 of 23.
General notation of directive.
Trains of variations 7 of division. Sheet 4 of 7.
Vertical positions of the wheels of Plan 28 algebraic addition of k figures. Sheet 19 of 23.
Vertical positions of the wheels. Sheet 5 of 5.
Table division.
Steps of the trains in one barrel in group "F and I during operations in the mill and during subsidiary operations in the store.
Cycles for division, stepping, addition and subtraction.
Trains of accidents in common division. Sheet 5 of 7.
Table division.
Vertical motions of the wheels and axes of Plan 28.
General notation of possible trains. Sheet 1 of 3.
The drawings of the New Engine arranged according to the subjects alphabetically. Analytical.
Algebraic addition.
Enumeration of trains on groups I and "F.
Algebraic addition of i k figures (General Plan 28). Cycle ordered by vertical ""s of centre barrel. Sheet 23 of 23.
Notation of cards for algebraic addition.
List of designs. Cross reference list, showing numbers of drawings, pages of sketch books and numbers of notations.
Vertical positions of the wheels of Plan 28. Sheet 6 of 23.
Steps of trains on barrels of all the groups. Sheet 1 of 5.
General notation of possible trains. Sheet 3 of 3.
Vertical positions of the wheels of Plan 28 for algebraic addition of i k figures. First part of cycles ordered by verticals n and 'n of centre barrel. Sheet 20 of 23.
Vertical positions of the wheels of Plan 28. Sheet 7 of 23.
Catalogue of 386 notations with their classification.
Trains ordered by one barrel on group "F and group "A. Sheet 1 of 2.
Trains on "F and I during subsidiary operations in store. Sheet 3 of 3.
Algebraic addition of i k figures. Cycle ordered by vertical "a of centre barrel. Sheet 21 of 23.
Approximative multiplication. Sheet 1 of 5.
Distribution of verticals of the large group of the mill on seven barrels.
Trains in division.
Mill decimal counting apparatus.
Approximative multiplication for Plans 28 and 28a. Sheet 1 of 8.
Verticals used on the seven barrels of the great group in division. Standard Case.
Trains of group "F I for division. Standard Case.
Vertical positions of the wheels of Plan 28. Sheet 15 of 23.
Counting apparatus. Multiplication and division.
Square root. Sheet 3 of 4.
Approximative multiplication. Sheet 4 of 5.
Catalogue of the drawings of the New Analytical Engine.
Approximative multiplication for Plan 28. Sheet 2 of 8.
Verticals for one barrel group "A. Sheet 2 of 2.
Trains of multiplication. Standard Case. Sheet 1 of 2.
Steps of trains on barrels of all the groups. Sheet 4 of 5.
