Scientific American. A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. Vol. XXV. No. 3. July 15, 1871.
New York: Munn & Co., 1871. [31-46] 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: Improved Hoffman's Grain Hulling Machine with three engravings; Applications of Vulcanized Rubber. Contents: Artificial Leech; Improved Ring Bolt for Carriages;..... More