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  • Astronomy: a diagram showing how to determine longitude. Coloured engraving by J. Emslie, 1851, after himself.
  • Astronomy: a diagram showing how to determine longitude. Coloured engraving by J. Emslie, 1851, after himself.
  • Pierre-Louis Moreau de Maupertuis pointing out the length of a degree on the longitude of meridian in Lapland to two people. Etching, 1753.
  • Geological atlas projected to illustrate geographic explorations and surveys west of the 100th meridian of longitude : prosecuted in accordance with Acts of Congress under the authority of the Honorable the Secretary of War, and the direction of A.A. Humphreys, embracing results of the different expeditions under Geo. M. Wheeler.
  • Geological atlas projected to illustrate geographic explorations and surveys west of the 100th meridian of longitude : prosecuted in accordance with Acts of Congress under the authority of the Honorable the Secretary of War, and the direction of A.A. Humphreys, embracing results of the different expeditions under Geo. M. Wheeler.
  • Geological atlas projected to illustrate geographic explorations and surveys west of the 100th meridian of longitude : prosecuted in accordance with Acts of Congress under the authority of the Honorable the Secretary of War, and the direction of A.A. Humphreys, embracing results of the different expeditions under Geo. M. Wheeler.
  • Geological atlas projected to illustrate geographic explorations and surveys west of the 100th meridian of longitude : prosecuted in accordance with Acts of Congress under the authority of the Honorable the Secretary of War, and the direction of A.A. Humphreys, embracing results of the different expeditions under Geo. M. Wheeler.
  • Geological atlas projected to illustrate geographic explorations and surveys west of the 100th meridian of longitude : prosecuted in accordance with Acts of Congress under the authority of the Honorable the Secretary of War, and the direction of A.A. Humphreys, embracing results of the different expeditions under Geo. M. Wheeler.
  • Geological atlas projected to illustrate geographic explorations and surveys west of the 100th meridian of longitude : prosecuted in accordance with Acts of Congress under the authority of the Honorable the Secretary of War, and the direction of A.A. Humphreys, embracing results of the different expeditions under Geo. M. Wheeler.
  • Journal of a second expedition into the interior of Africa, from the Bight of Berin to Soccatoo / by the late Commander Clapperton ... To which is added, the journal of Richard Lander from Kano to the sea-coast. Partly by a more eastern route. With a portrait of Captain Clapperton, and a map of the route, chiefly laid down from actual observations for latitude and longitude.
  • Journal of a second expedition into the interior of Africa, from the Bight of Berin to Soccatoo / by the late Commander Clapperton ... To which is added, the journal of Richard Lander from Kano to the sea-coast. Partly by a more eastern route. With a portrait of Captain Clapperton, and a map of the route, chiefly laid down from actual observations for latitude and longitude.
  • Johann Caspar Eisenschmidt. Line engraving.
  • In a lunatic asylum, and in the company of a variety of other deranged individuals, a half-naked Ramble Gripe, his wrists chained, is restrained by orderlies. Engraving by T. Bowles, 1735.
  • William Whiston. Line engraving by G. Vertue, 1720.
  • William Whiston. Line engraving by G. Vertue, 1720.
  • John Bird. Mezzotint by V. Green, 1776, after J. Lewis.