Antique Map Auction Sale No. 121 - closed 9/26/2007
This important bound volume was owned by Thomas McDonnell of the Coast Survey and it contains a map signed by F.R. Hassler, the founder of the Coast Survey. The volume begins with Comparison of Weights and Measures of Length and Capacity…, which was printed by Duff Green in 1832. This first volume has 122 pages and bears the owner's signature of McDonnell, who served as an officer in the Coast Survey under F.R. Hassler, on the title page. Four plates of diagrams of the instruments used in the survey are bound in. The following section, Principal Documents Relating to the Survey of the Coast of the United States Since 1816 New York, William Van Norden, 1834, features the map A Diagram of the Triangulation for the Survey of the Coast of the United States made in 1817 and 1833, and Secondary Triangulation made in 1833 & 1834 in Connecticut and upon Long Island (18 x 13.8"), which is signed by Hassler. A small chart of handwritten measurements, probably done by Hassler himself has the title "Memorandum F. R. Hassler of Measurement on Long Island Base" was placed in between two pages. This chart is comprised of three columns - "Date 1834", "Number of Boxes", and "Number of Inclinations" and 11 rows of dates from August 2 to August 13. NOAA now calls this "The Great Fire Island Baseline", and at the time it was the longest and most accurate baseline ever measured. 180 pp., 3 pp. index, errata sheet.