Philadelphia: Lea & Blanchard, 1846. Eleventh edition of this classic book by Oliver Evans (1755-1819) on mechanics and their applications to industry and technology. Among his many other accomplishments was having been the original projector of the locomotive and the inventor of the first practical steamboat. Thomas Jones, a professor of mechanics made additions and corrections to the original work. Bound in contemporary brown leather with black leather spine label. Chipped, scraped, and bumped. Interior pages are occasionally foxed and show some browning but still quite legible. With the ownership signature of Jacob H. Landis and pencil notes on the front pastedown and free endpapers that refer to pages 311-312. Additional notes on those pages. A biography of Evans is affixed to a free endpaper. Also on pastedown is a bookseller ticket "Daniel & Smith's Cheap Book Store." With 28 plates, some of which fold out. All are intact and in nice condition. The plates pertain to an improved merchant flour-mill. Mr. Landis attached the invoice he received when he bought this book plus two others in Lancaster A very good copy of this work. Measures 5.5 x 9 inches. 392 text pages plus plates plus 32 page publisher's catalog. More

Paris: Varsovie`, 1818. Hardcover. Rare. Jan niadecki (1756 – 1830) was a Polish mathematician, philosopher, and astronomer who was the founder of the Krakow University observatory, rector of Vilnius University and its astronomy observatory director. He wrote this essay on Copernicus in 1802 and it was printed in French in 1803. Bound in contemporary brown quarter leather with brown marbled paper boards. Leather is worn and scraped, and boards are bumped and rubbed. Foxing to pastedowns and free endpapers but text is clean with just an occasional small spot and small hole to page 133. Ownership signature of Stanislaw Debski. Very good condition. Measures 5.5 x 7.25 inches. 134 pages. SCIENCE/040821. Very Good. More