Scientific American July 7, 1855
(Item: SAMER11)
SCIENTIFIC AMERICAN, The Advocate Of Industry, And Jourmal Of Scientific, Mechanical, and Other Improvements. Volume X, New York July 7, 1855, Number 43. Featuring Articles and Engravings on, Improved Lock, Fig.1,2,3,4, Page 337, Valves For Hydraulic Rams, Fig.1,2, Page337, Portable Staging, Page 340, Operating Hand Drills, Page 340, Machine For Shearing Sheep, Page 344.
Price: $20.00