POND'S TOOLS.
Engine Lathes, Planers, Drills, &c. Send for Catalogue. DAVID W. POND,
Successor to Lucius W. Pond, Worcester, Mass.
* * * * *
L. SMITH HOBART, PRESIDENT.
JOHN C. MOSS, SUPERINTENDENT.
D.J. CARSON, GENERAL AGENT.
Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. · 第 121 / 203 题