Scientific American, Volume 56, No. 9, February 26, 1887

Chandler & Farquhar, 177 Washington St., BOSTON.

Reading edition

Agents for Fay's "Yankee" CALIPERS AND Barnes' Foot Power Machinery, AND DEALERS IN Machinists' Supplies of Every Kind. Send two stamps for illus. catalogue.

Illustration from Scientific American, Volume 56, No. 9, February 26, 1887

Address JOHN A. ROEBLING'S SONS, Manufacturers, Trenton, N. J., or 117 Liberty Street, New York.

Wheels and Rope for conveying power long distances. Send for circular.