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Detailed Record


Title: Parallel ruler

Accession Number: 1963.716
Category: INSTRUMENTS - PARALLEL RULES
Type: parallel ruler
Maker:
Place:
Date: After February 24, 1880
Materials:
Description: Ebony parallel rulers. At the ends of the rulers are brass fittings with brass connecting bars. Tubular fittings revolve on a pin permitting one ruler to be flipped over the other. Patent date 2/24/1880.

Mystic Seaport Image ID m167071    Information regarding reproductions