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Image © National Museums Scotland
View full screenGraduated three-foot brass scale in three parts, inscribed '1655 Robert Trollap of Yorke Free Mason', 1655
T.1978.92
1655
Inscribed on the scale: Robert Trollop
Compass and Rule (12 May 2009 - 30 May 2010)
Museum of the History of Science
Yale Center for British Art