Coastal Charts No. 9 & 10 Massachusetts Bay with the Coast from Cape Ann to Cape Cod: Coast Chart No. 9 Boston Bay and Approaches.

Washington DC:: United States Coast and Geodetic Survey,, 1877.. Very Good. A large rare coastal chart issued separately. Engraving on heavy wove paper. Sheet: 42.25 x 35.25 inches. Plate mark: 40.75 x 34.5 inches. Very Good condition. Minor edge staining, minor tears. Crinkled upper right corner with small paper loss, not affecting the image, otherwise a solid, clean chart. Never folded.  This detailed coastal chart issued in 1877 by C. P. Patterson, Superintendent, verified by J.E. Hilgard, Assistant in Charge of Office was based on the 1872 Trigonometrical Survey under the direction of A. D. Bache and Benjn. Peirce, Superintendents of the Survey of the Coast of the United States. Charts include: Light Houses, Variations of the Magnetic Needle, Tides from Annisquam, Salem, Boston Light and Boston U.S. Dry Dock, Sailing Directions, Lifesaving Stations designated. Coast chart No. 9 shows Boston Bay and Approaches on a scale of 1/80,000. In 1807 President Thomas Jefferson designated into act a provision to survey the Coast of the United States. Throughout the years the US Coast Survey commissioned now well-known scientists, artists and naturalists- both men and women- such as Louis Agassiz, James McNeill Whistler, John Muir and Benjamin Franklin's great-grandson Alexander Dallas Bache to conduct early naturalist studies, survey the territory and engrave the charts. A.D. Bache, the second Coast Survey Superintendent under whose direction this chart was produced established the first magnetic observatory and served as the first president of the National Academy of Sciences. (nauticalcharts.noaa.gov)