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Contributed by Maine Historical Society

Gunter's quadrant design is drawn on the face in colored inks and on the reverse is the declination diagram for mean years.

"B.W./AD 1770/calculated [for] the Meridian/o[f] Boston/July [11th?] 1770."

On the reverse "sic transit/Gloria Mundi."

Quadrants helped determine position on the earth's surface and were used in surveying for property and boundaries and for navigation at sea.

Other Information

  • Title: Quadrant
  • Creation Date: 1770
  • Subject Date: 1770
  • Town: Boston
  • County: Suffolk
  • State: MA
  • Media: Pine covered with paper
  • Dimensions (cm): 14 x 14 x 1
  • Local Code: 83*15
  • Object Type: Physical Object

For more information about this item, contact:

Maine Historical Society
489 Congress Street, Portland, ME 04101
(207) 774-1822

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