Manuscript entitled: "Catalogue of the Apparatus of Philosophical Instruments, in the Collection of Her Late Majesty Queen Charlotte, at the Observatory at Richmond in Surrey"
Reversing sign ascertaining if a variable is zero, ascertaining if a variable has a + or - sign (supersedes 223).
First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.
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.
List of the combinations in division performed as in Notation 290, with the cycles in which they occur. Sheet 2 of 4.
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.
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.
Untitled. [Vertical positions of some of the wheels of Plan 28a. Notation 348 and 331 cycles]. Sheet 11 of 13.
List, et cetera. [List of the combinations in division performed as in Notation 290, with the cycles in which they occur] Sheet 3 of 4.
Notation of units for mill counting apparatus drawings 125, 126 and 137 and for sign wheel drawing. Sheet 6 of 6.