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Davis quadrant made by Benjamin King, Newport, RI, 1758
Davis quadrant
INSTRUMENTS - QUADRANTSKing, Benjamin
USA, RI, Newport
1758
24-1/2 x 14-1/2 in.
Davis quadrant or backstaff of type invented by John Davis, c. 1594. This one is of pear with possibly mahogany. "Made by Benjamin King in Newport, Rh0 Island, 1758." Carving at end of 25 deg. arc is broken and wood is split off 60 deg. arc at other end.
1958.1126