Aerial navigation and the patent laws
By: by William Sheldon
Series: Goldsmiths'-Kress library of economic literature -- no. 36853.9; Making of the Modern World
Publisher: [s.n.]
Published: 1850
Place of publication: Massachusetts?
Language: eng
Number of pages: 46
Subjects: Flight; Aeronautics; Patent laws and legislation
Notes: Goldsmiths'-Kress no. 36853.9.