Author:Samuel Dunn

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Samuel Dunn
(1720s–1794)
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English mathematician

Works

  • The description and use, of the universal planispheres; or, terrestrial and celestial globes in plano (1759)
  • New Atlas of the Mundane System, or of Geography and Cosmography, describing the Heavens and the Earth. … The whole elegantly engraved on sixty-two copper plates. With a general introduction (1774)
  • A New and General Introduction to Practical Astronomy, with its application to Geography … Topography (1774)
  • The Navigators Guide to the Oriental or Indian Seas, or the Description and Use of a Variation Chart of the Magnetic Needle, designed for shewing the Longitude throughout the principal parts of the Atlantic, Ethiopic, and Southern Oceans (1775)
  • A New Epitome of Practical Navigation, or Guide to the Indian Seas, containing (1) the Elements of Mathematical Learning, used … in the Theory and Practice of Nautical affairs; (2) the Theory of Navigation...; (3) the Method of Correcting and Determining the Longitude at Sea …; (4) the Practice of Navigation in all kinds of Sailing (with copper plates) (1777)
  • The Theory and Practice of the Longitude at Sea … with copper plates (1778)
  • A Popular Lecture on the Astronomy and Philosophy of Comets (1759)
  • Improvements in the Doctrine of the Sphere, Astronomy, Geography, Navigation, &c. Deduced from the Figure and Motion of the Earth; and Absolutely Necessary to be Applied in Finding the True Longitude at Sea and Land (1765)
  • A Determination of the exact Moments of Time when the Planet Venus was at external and internal contact with the Sun's Limb, in the VenusTransits of 6 June 1761 and 3 June 1769 (1770)
  • An Introduction to the Theory and Use of the Pantographer; As Made and Improved by Thomas Newman, (Successor to Mess. Heath and Wing,) Mathematical Instrument Maker in Exeter Change (1774)
  • A New Atlas of Variations of the Magnetic Needle for the Atlantic, Ethiopic, Southern and Indian Oceans; drawn from a theory of the magnetic system (1776)
  • The Description and Use of a New and Easy Formula, for determining the time of the day, the azimuth of the sun, and the latitude (1777)
  • A New and Easy Method of finding the Latitude on Sea or Land (1778)
  • Nautical Propositions and Institutes; or Directions for the Practice of Navigation (1781)
  • An Introduction to Latitude, without Meridian Altitudes; and Longitude, at Sea; having Contemporary Observations: with Astronomical Delineations and Nautical Formulas, engraved on copper plates (1782)
  • The Linear Tables described, and their utility verified (1783)
  • Lunar Tables, Nos. 1–5 (1783)
  • A new Formula for Latitude (1784)
  • Formulas for all parts of Navigation, having the Tables of Logarithms (1784)
  • General Magnetic and True Journal at Sea (1784)
  • Magnetic and true Journal at Sea (1784)
  • Rules for a Ship's Journal at Sea (1784)
  • Ship's Journal at Sea (1784)
  • A Table for Transverses and Currents (1784)
  • Tables of Correct and Concise Logarithms … with a compendious Introduction to Logarithmetic (1784)
  • Precepts, Formulas, Tables, Charts, and Improvements (1784)
  • Nautic Tables (1785)
  • Tables of Time and Degrees, and hourly change of the Sun's right Ascension (1786)
  • A Description of peculiar Charts and Tables for facilitating a Discovery of both the Latitude and Longitude in a Ship at Sea (1787)
  • Linear Tables, one, two, three, four, and five, abridged, &c. (Linear Tables viii. ix. of Proper Logarithms. Linear Tables x. xi.) 3 plates (1788)
  • Linear Table xvi. for showing the Sun's Declination. (Errata in the reductions.) (1788)
  • The Lunar Method Shorten'd in Calculation & Improv'd. (Short Rules for practical navigation.) (1788)
  • A Navigation Table for shortening days works (1788)
  • The Longitude Journal; its description and application (1789)
  • The Sea-Journal improved, with its description, &c. (1789)
  • The Daily Uses of Nautical Sciences in a Ship at Sea, particularly in finding and keeping the Latitude and Longitude during a voyage (1790)
  • An Introduction to the Lunar Method of Finding the Longitude in a Ship at Sea, &c. (1790)
  • A New Directory for the East Indies, 6th edition (1791)
  • The Astronomy of Fixed Stars, concisely deduced from original principles, and prepared for application to Geography and Navigation, Part I. (1792)
  • Improvements in the Methods now in use for taking the Longitude of a Ship at Sea. Invented and described by S. Dunn (1793)
  • The Longitude Logarithms; in their Regular and Shortest Order, made easy for use in taking the Latitude and Longitude, at Sea and Land (1793)

Contributions to Philosophical Transactions

Works about Dunn


Some or all works by this author were published before January 1, 1930, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.

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