Differences as performed by General Plans 28 and 28a. Sheet 2 of 2.
Untitled. [Trains and vertical motions of the wheels and axes of the right, middle and left groups of Plan 28a for division as performed in working Notation 290]. Sheet 3 of 4.
Untitled. [Trains and vertical motions of the wheels and axes of the right, middle and left groups of Plan 28a for division as performed in working Notation 290]. Sheet 2 of 4.
Differences as performed by General Plans 28 and 28. Sheet 1 of 2.
Duties of the calculating mechanism of Plan 28a. Centre group. Sheet 4 of 11.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Right group. Sheet 2 of 11.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Right group. Sheet 1 of 11.
Untitled. [Motions of axes and wheels of Plan 28]
Stepping up or down or multiplying or dividing by any power of ten. Plans 28 and 28a. Sheet 1 of 2.
Notation of units for Plan 28.
[Notation of units for General Plan 28]. Superseded by 353. Sheet 5 of 7.
Notation of cycle wheels.
Notation of verticals for differences (Notation 334) and stepping up or down Notation 335.
Verticals of algebraic addition of i k figures. Notation 321. Sheet 2 of 3.
Trains and vertical motions of the wheels and axes of the centre group for differences and of the right group for stepping up or down. Plan 28a.
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.
[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 Superseded by 353.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 Superseded by 353.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.
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.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Centre group. Sheet 6 of 11.
Vertical motions of the wheels and axes of the centre group. Plans 28 and 28a. Sheet 2 of 4.
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.
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.
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
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 periods for mill counting apparatus.
