London: Printed for R. Dodsley, at Tully's Head in Pall-mall; and sold by M. Cooper in Pater-noster-row; and J. Cuff, Optician in Fleetstreet 1743. Second Edition. ,xvi, -98, , 99-311,[13-indices] pages. Pages 307 through index with stain in inner margins affecting text in a few places. With 14 numbered plates (I through XIV) plus the unnumbered folding plate of the solar microscope plus and one folding table. Eleven of the plates are folding. 8vo. Speckled calf rebacked to style with red/gilt spine label. Preserved endpapers and boards. Previous owners on front endpapers: "Ex Lib i.Poulin Med. Monspeliensis(?)" (inked), C. M. Gabriel (bookplate and stamp), and Barnett Cohen (stamp). Old paper snippet affixed to front endpaper with cellotape (bio of Henry Baker). Old pagination in pencil on rear pastedown. Red speckled pages edges. Bright and clean internally, much better than usually found. Very Good. Boards. 
A beautifully illustrated work on the microscope and its uses. One of several works by Baker on the microscope. J. Cuf (John Cuff) was an optician who worked from 1731-1771 and was recognized for making significant contributions to the evolution of the microscope. Henry Baker was a patron of Cuff, lending him money on more than one occasion.
The first edition of this title was published in 1742. This second edition and subsequent editions had the extra folding plate of the solar microscope not present in the first edition.
Austin and Blankenhorn, "A Preliminary Checklist of Books Relating to Microscopes and Microscopy", The Gemmary: Redondo Beach, CA: 1993 (p. 6)
Clifton's "Directory of British Scientific Instrument Makers"
Bradbury, "Evolution of the Microscope" for information on Cuff and his developments in microscopy