Collection

Ivory plotting scale opens to rolling parallel rule and contains dividers and combined pen and pencil

Ivory plotting scale opens to rolling parallel rule and contains dividers and combined pen and pencil, engraved "From John Francis Erskine of Mar Esquire, to Robert Bald Esquire 1800", in case

Details

Category:
Mathematics
Object Number:
1938-734
Materials:
ivory
type:
drawing instruments, drawing scales (plotting) and parallel rules
credit:
Thomas H. Court

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