Scientific American. A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. Vol. XXV. No. 7. August 12, 1871.
New York: Munn & Co., 1871. [95-110] pp. Illus. with b/w engravings and drawings. 15 3/4" x 11". Folio. Paper wrappers, removed from a larger volume. First edition. Lead article: The New Post Office, Melbourne, Australia, with half page engraving. Contents: Construction Cone Pulleys; Experimental Investigation of a New Force;..... More