![Item #9878 An invaluable discovery. P. B. Templeton, B. P. Worcester and the heirs of Col. John H. Sherburne, proprietors [drop title]. P. B. Templeton, B. P. Worcester, the heirs of Col. John H. Sherburne.](https://rulon.cdn.bibliopolis.com/pictures/9878_1.jpg?width=768&height=1000&fit=bounds&auto=webp&v=1545237130)
![An invaluable discovery. P. B. Templeton, B. P. Worcester and the heirs of Col. John H. Sherburne, proprietors [drop title].](https://rulon.cdn.bibliopolis.com/pictures/9878_2.jpg?auto=webp&v=1545237130)
An invaluable discovery. P. B. Templeton, B. P. Worcester and the heirs of Col. John H. Sherburne, proprietors [drop title].
[Washington, D.C. [Buell & Blanchard, printers, n.d.], [ca. 1852]. 12mo, 12pp., stitched, as issued; 1 folding lithograph plate; fine. A proposal for making approaches to harbors safe in foul weather, by submerging a cable of considerable length sufficiently below the surface of the water that a ship might purposely snag the cable with its anchor. The folding plate is quite nice, even though the scheme seems half-baked at best. Not in NUC. Hagley Museum and AAS only in OCLC. Item #9878
Price: $175.00
