SIMPSON, Robert (1687-1768). Opera quaedam reliqua, edited by James Clow, Glasgow: Robertus et Andreas Foulis, 1776, 4°, FIRST EDITION, engraved portrait by A. Baillie, diagrams in text (title perforation affecting several letters, title with short tear at outer margin, rather browned and with stamp on verso, accession stamp on following leaf, text lightly browned, some offsetting from diagrams, short tear at head of Q2, without colophon at end), contemporary red morocco gilt, covers with Greek key pattern border, flat gilt spine (rubbed, especially on spine, spine darkened at head and with large black library label superimposed at foot, upper cover slightly scuffed) -- Another copy in similar binding, and in fine condition, but lacking the portrait. [Gaskell 600; Honeyman 2853] (2)