TY - JOUR T1 - An Account of a New Machine, Called the Marine Surveyor, Contrived for the Mensuration of the Way of a Ship in the Sea, More Correctly Than by the Log, or Any Other Method Hitherto Used for That Purpose; Together with Several Testimonials, Setting Forth the Usefulness of This Invention. By Mr. Henry de Saumarez of the Island of Guernsey JF - Philosophical Transactions (1683-1775) VL - 33 SP - 411 EP - 432 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1724.0077 M3 - doi:10.1098/rstl.1724.0077 AU - de Saumarez, H. ER -