Cyphering Book of Billings Presbrey

Cyphering Book of Billings Presbrey, the inside cover with inscription Billing Presbrey's Cyphering Book, Taunton, 1805 , fity-three pages filled back-to-front with mathematical exercises and examples, including a page of geometrical pen and ink drawings, watercolor drawing of a three-master schooner, and page of verse titled "Description of a Waterspout by William Falconer, Transcripted from the Shipwreck, Billings Presbrey's E12 District No. 6, Taunton, February 1805", in marbled-paper covers, 13 x 8 in., (some foxing, creases and edge loss).