Author: Baker, T. Lindsay & Eide, Clyde (ed.).
Title: A guide to United States patents for windmills and wind engines 1793-1950.
Description: Watford; 2004; The International Molinological Society; softcover, stapled; bibliotheca molinologica, volume 18; ills. in b&w; 121 pp. With an index of inventors. Fine copy.

Keywords: engines history/geschiedenis inventions/uitvindingen mills/molens technics/techniek