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DiaporamaThree-armed compass
This measuring instrument has a circle calibrated from 0º to 180º and from 180º to 0º, featuring 2 moving rulers with pressure screws, verniers, and a file. The rulers can be used to form two horizontal angles using 3 points on the ground which, when transferred to the plotter, can determine the position. The instrument is used to create nautical charts, or to allow a navigator or hydrographer to establish their position on a map using the measurement (provided by the graphometer or sextant) of the two angles formed by 3 known points on the land.It was made by the English scientific instrument makers Heath & Co.
henrietta elizabeth dodd hoopes heath (1904 – 1996)
Discover Henrietta Hoopes Heath (1904-1996), an American artist featured in 'Who's Who Among American Artists'. Known for her navigational instrument paintings like "Three-Armed Compass" and competition alongside Andrew Wyeth, Heath’s work blends art
Naval Museum (Madrid, Spain)
Explore Spain's naval heritage at the Naval Museum of Madrid! Discover impressive collections, stunning stained-glass roofs & architectural grandeur showcasing maritime history from the Renaissance to modern times.
About this artwork
- Title: Three-armed compass
- Artist: henrietta elizabeth dodd hoopes heath
- Copyright status: Under copyright
- Where to see it: Naval Museum
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