Wedge Small 320×181 Medium 640×362 Large 1024×579 Download Tiff Original 2400×1357 | (183.4 KB) Description "A wedge is a triangular prism of hard material, fitted to be driven between objects that are to be separated, or into anything that is to be split." -Avery 1895 Keywords inclined, plane, split, wedge Galleries Wedges Source: Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 147 Courtesy the private collection of Roy Winkelman
