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Chanute, Octave, 1832-1910.
Washington : Govt. Print. Off., 1904. 1970

Anniversary address on the progress of the natural sciences in the United States delivered before th

De Kay, James E. (James Ellsworth), 1792-1851.
New York : G. & C. Carvill, 1826. 1970

Cotton Mather's scientific communications to the Royal society

Kittredge, George Lyman, 1860-1941.
Worcester, Mass. : American Antiquarian Society, 1916. 1970

Cyrus Hall McCormick and the reaper

Thwaites, Reuben Gold, 1853-1913.
Madison : The Society, 1909. 1970

Description of the American electro magnetic telegraph now in operation between the cities of Washin

Vail, Alfred, 1807-1859.
Washington : J. & G.S. Gideon, 1845. 1970

An inaugural oration on the progress and importance of the mathematical sciences delivered at Prince

Minto, Walter, 1753-1796.
Trenton : I. Collins, 1788. 1970

Joseph Henry and the magnetic telegraph An address delivered at Princeton college, June 16, 1885.

Dickerson, E. N. (Edward Nicoll), 1824-1889.
New York : C. Scribner's Sons, 1885. 1970

Memoir of Eli Whitney, Esq.

Olmsted, Denison, 1791-1859.
New Haven : Durrie & Peck, 1846. 1970

A memoir of William Maclure, esq. late president of the Academy of Natural Sciences of Philadelphia

Morton, Samuel George, 1799-1851.
Philadelphia : Merrihew and Thompson, 1844. 1970

Modern farming the passing of the horse.

Gas Traction Company.
Minneapolis : Gas Traction Company, [1908] 1970

On the principles of classification in the animal kingdom on the structure of the halcyonoid polypi

Agassiz, Louis, 1807-1873.
Charleston, S. C. : Press of Walker and James, 1850. 1970

Relation of a voyage from Boston to Newfoundland for the observation of the transit of Venus, June 6

Winthrop, John, 1714-1779.
Boston : Edes and Gill, 1761. 1970

A short history of the printing press and of the improvements in printing machinery from the time of

Hoe, Robert, 1839-1909.
New York : R. Hoe, 1902. 1970

Two lectures on combustion supplementary to a course of lectures on chemistry, read at Nassau-Hall ;

Maclean, John, 1771-1814.
Philadelphia : Dobson, 1797. 1970