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Museum object · Tools and Equipment

Sliding caliper used by Dr. Montague Cobb

mid 20th century

Washington, District of Columbia, United States, North and Central America

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Source catalog description

This description refers to material held by Smithsonian National Museum of African American History and Culture. Visual details below describe the original material.

This is a metal caliper with a sliding scale. The head has pointed edges. The top section is fixed in place, while the lower section moves up and down the ruler. A small screw is present at the side of the lower section.

Sources & collection details

Smithsonian National Museum of African American History and Culture — original record ↗

Source collection ↗

Catalog metadata · CC0 · Source checked 2026-10-13

Catalog reference: 2014.308.2

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