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LC Subject Heading: Mathematical instruments
Historical Items Showing 2 of 2 View All
Item 27011
Title: Abacus, Islesboro, ca. 1900
Contributed by: Islesboro Historical Society
Date: circa 1900
Location: Islesboro
Media: wood, metal
Item 36612
Title: Instrument Makers' banner, Portland, 1841
Contributed by: Maine Historical Society
Date: 1841
Location: Portland
Media: Oil on linen
