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.
About This Item
- Title: Quadrant
- Creation Date: 1770
- Subject Date: 1770
- Town: Boston
- County: Suffolk
- State: MA
- Media: Pine covered with paper
- Dimensions: 14 cm x 14 cm x 1 cm
- Local Code: 83*15
- Object Type: Physical Object
For more information about this item, contact:Maine Historical Society
485 Congress Street, Portland, ME 04101
(207) 774-1822 x230
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