first edition, octavo, [2], 125 pp., sewn as issued, untrimmed, last two leaves creased, paper somewhat tanned, else a very good copy. Contemporary ownership signature of Smuel Hodgdon on title-page.

Duane was chairman of the Pennsylvania legislative committee on roads and internal navigation. He was a strong advocate of the canal system, and includes in this work a detailed analysis of the canal system throughout the United States with statistics and other examples. American Imprints 22727; Howes D-516; Sabin 20997, Rink, Technical Americana, 4014; Eberstadt 168:473