Guide to the United States patents for windmills and wind engines, 1793-1950

£17.00

Good quality second hand book  Bibliotheca Molinologica volume 18.

A valuable chronological list with inventor index of all US patents on this rapidly growing area of technology over 150 years; 121 pages The chronological guide includes patent date, patent number, brief description of the invention, name of the patentee, and place of residence of the patentee.

6 in stock