Rare, Scholarly, Scarce & Out-of-Print Books
A New and Accurate Method of Finding a Ship's Position at Sea, By Projection on Mercator's Chart.
Black cloth hardcover, with gilt lettering and illustration on front cover. 92 pages, followed by four pages of publisher's ads. Plates I-IX printed on 6 fold-outs. Plate I, "Parallels of Equal Altitude", folds out to 12", Plate IX showing the currents of Mexico, folds out to 13". Thomas Groom & Co., Boston. 1857 Fourth Edition, Revised.
Condition: Binding edges bumped, spine shows a few nicks. Gilt lettering and illustration bright. Endpapers and contents tight. Some age spotting and toning throughout, fold-outs in very good condition, no tears.
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