Figure 3. Zero Apparatus No. 1. Improved arrangement of snails, figure wheels et cetera for design dated 27 November 1834 and also for a design dated 24 January 1835. Elevation.
Vertical positions of the wheels in the final steppings in multiplication and preliminary steppings in division. Sheet 3 of 5.
Duties of the mill counting apparatus which require the cycle of a(=12) units for Plan 28a. Sheet 2 of 2.
Case of division illustrating the method of selecting + or - quotient figures with one set of selectors.
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 2 of 4.