Experiments with windmills
By: by Thomas O. Perry.
Series: U.S. Geological survey. Water-supply and irrigation paper,; no. 20
Publisher: Govt. Print. Off.
Published: 1899
Place of publication: Washington
Language: eng
Number of pages: 97
Subjects: Windmills.
Notes: Issued also as House doc. 277, 55th Cong., 3d sess.