HENRY, Daniel Farrand.

Flow of Water in Rivers and Canals.

Two lithographed plates (one folding). 1 p.l., 86 pp. 8vo, orig. printed wrappers (chipped). Detroit: W. Graham’s Steam Presses, 1873. First separate edition, an author’s offprint with new pagination from the Journal of the Franklin Institute, Vol. LXI. “The [first] plate, bearing five figures, illustrates various models of the telegraphic current meter. The text gives a short survey of methods of measuring water flow, then compares the telegraphic current meter with other measuring devices. An appendix gives an account of the controversy between A. A. Humphreys, H. L. Abbot, and Henry concerning the telegraphic current meter, with letter in support of Henry from Prof. S. W. Robinson and data obtained by E. S. Chesbrough using that meter.”–Roberts & Trent, Bibliotheca Mechanica, pp. 160-61. Very good copy preserved in a box. Bookplate of Franklin Institute Library and with its perforated stamp on title-page and another leaf. Ex Bibliotheca Mechanica.

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• 订书号：: HillBibl-1497

• 书商: Jonathan A. Hill, Bookseller, Inc. (USA)