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[nb-NO]Object number[nb-NO]

A-225
[nb-NO]Object name[nb-NO]

Slide Rule: Spiral, Calculator
[nb-NO]Creator[nb-NO]

Facini, Bernardus
[nb-NO]Description[nb-NO]

Spiral brass slide rule. Side (a) for addition and subtraction. Side (b) for multiplication and division. Manuscript instructions from the maker. Original fitted case.
[nb-NO]Material[nb-NO]

"Venetijs-1714/Bernardus Facini/suo Marte ft."
[nb-NO]Date[nb-NO]

1714
[nb-NO]Material[nb-NO]

brass, cardboard, leather, velvet, paper
[nb-NO]Subject[nb-NO]

Italy

[nb-NO]Dimensions[nb-NO]