Scientific American, Volume XLIII., No. 25, December 18, 1880 / A Weekly Journal of Practical Information, Art, Science, / Mechanics, Chemistry, and Manufactures.
Various
EMERY WHEELS and GRINDING MACHINES.
COLUMBIA BICYCLE.
COMPANY
W. B. FRANKLIN, V. Pres't, J. M. ALLEN, Pres't. J. B. PIERCE, Sec'y.