Title: Hansen's brass rules: graytone rules, high art rules, halftone rules, labor-saving rules, head rules, column rules, odd designs, circles, ovals, diamonds, dashes, braces, brass corners, etc ...
Authors: Hansen, firm, typefounders, Boston.
Publisher: [The H.C. Hansen type foundry ... 190-192 Congress street, Boston, 535-537 Pearl street, New York
Year: 1916