Bradley's Ivory Rule

Round ivory rule which unscrews into 3 sections. The ends are decorated with black and red patterns of lines and circles. Number marked inside one of the screw sections.

Object Details

ID: ZBA0634
Type: Rule
Display location: Not on display
Creator: Unknown; Unknown
Date made: circa 1750
People: Royal Greenwich Observatory; Bradley, Reverend James
Credit: National Maritime Museum, Greenwich, London
Parts: Bradley's Ivory Rule
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