Vertical motions of the wheels and axes of the middle group of Plan 28 for algebraic addition of i k figures as performed in Notation 321. Sheet 1 of 2.
Verticals of algebraic addition of i k figures. Notation 321. Sheet 1 of 3.
Verticals for algebraic addition of k figures. One barrel. Sheet 2 of 2.
[Notation of units for General Plan 28]. Superseded by 353. Sheet 2 of 7.
[Notation of units for General Plan 28]. Superseded by 353. Sheet 7 of 7.
Verticals upon four barrels for algebraic addition of i k figures. Notation 321. Sheet 1 of 2.
Vertical motions of the wheels and axes of the centre group. Sheet 1 of 4.
Analysis of the trains with reference to cycles and verticals. Left group. Sheet 3 of 3.
Algebraic addition of k figures.
Vertical motions of cycles a and a e.
Duties of the mill counting apparatus which require the cycle of a(=12) units for Plan 28a. Sheet 2 of 2.
Analysis of the trains with reference to cycles and verticals. Right group. Sheet 1 of 3.
List of cycles with their vertical motions.
Duties of the calculating mechanism of Plan 28a. Centre group. Sheet 7 of 11.
Vertical motions for algebraic addition of i k figures. Sheet 2 of 2.
Vertical motions of the wheels and axes of the centre group. Plans 28 and 28a. Sheet 2 of 4.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Centre group. Sheet 6 of 11.
Untitled. [Vertical motions of the wheels and axes of the right, middle and left groups of Plan 28 for multiplication as performed in working Notation 268]. Sheet 3 of 4.
Motions of some of the axes for Plan 28. Sheet 2 of 8.
Motions of some of the axes for Plan 28. Sheet 1 of 8.
Notation of units for cycles of c (=18) and of 2c units used for counting the digits in multiplication and division.
Multiplication. One barrel. Sheet 2 of 2.
Analysis of verticals on left group for multiplication.
Trains and vertical motions of the wheels and axes ordered by barrel no. 2 of the mill counting apparatus of Plans 28 and 28a for division, as performed in working Notation 290. Sheet 2 of 2.
Multiplication. One barrel. Sheet 1 of 2.
Vertical positions of some of the wheels of Plan 28a. Notation 348 cycles. Sheet 1 of 13.
Trains and vertical motions of the wheels and axes of the table group of Plan 28a for division, as performed in working Notation 290 and for ascertaining if a variable has a + or - sign.
Trains and vertical motions of the wheels and axes of the table group of Plan 28a for multiplication, as performed in working Notation 268 and for stepping up or down.
Centre group. Sheet 3 of 5
Verticals for one barrel to perform algebraic addition of k figures with General Plan 28. Sheet 1 of 2.
Trains and vertical motions of the wheels and axes ordered by barrel no. 1 of the mill counting apparatus of Plans 28 and 28a for multiplication, as performed in the working Notation 268. Sheet 1 of 2.
Trains and vertical motions of the wheels and axes of the right, middle and left groups of Plan 28a for multiplication as performed in working Notation 268. Sheet 1 of 3.
Notation 331 cycle 23 and 24. Sheet 10 of 13.
Notation of periods for the centre group.
Notation 348 cycles 26 and 27. Sheet 7 of 13.
Untitled. [Vertical positions of some of the wheels of Plan 28a. Notation 348 and 331 cycles]. Sheet 11 of 13.
Notation of units. Circular motions of the calculating axes. Odd difference warnings and figure wheels.
Notation of units.
Notation of periods for mill counting apparatus.
Notation of periods for right group. Sheet 5 of 5.
Directive. Difference Engine No. 2. [Genealogy]
Notation of units. Vertical motions of the calculating axes. Even and odd difference warnings.
Direct trains. Third edition [possibly version].
Notation of units for mill counting apparatus drawings 125, 126 and 137 and for sign wheel drawing. Sheet 6 of 6.
Analysis of the lockings on the left group. Sheet 4 of 4.
Untitled. [Times of lockings in various cycles for Plan 28]. Sheet 2 of 2.
Duties of the calculating mechanism of Plan 28a table group. Sheet 2 of 2.
Notation of units anticipating whole zero cycles by circular chain.
