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Image Archive

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