To scale, no scale mentioned. Plan showing comparative sizes between the classes Class 1A to Class 19 and Brigs of mast caps, lower topsails, topgallants and royal yards, gaffs, spanker books and jobbooms. These classes are the folio divisions within the volume. It is noted on the plan that the task was commenced on 17 December 1831 and submitted on 15 January 1836.

Signed by William Symonds [Surveyor of the Navy, 1832-1848].