- On View
- Making a Way Gallery
- Museum Maps
- Objects in this Location
- Exhibition
- Making a Way Out of No Way
- Manufactured by
- Unidentified
- Owned by
- Cobb, William Montague M.D., American, 1904 - 1990
- Date
- mid 20th century
- Medium
- metal
- Dimensions
- H x W x D (calipers): 11 3/4 × 3 7/8 × 1/2 in. (29.8 × 9.8 × 1.3 cm)
- H x W x D (screw): 5/8 × 3/8 × 3/8 in. (1.6 × 1 × 1 cm)
- Description
- This is a spreading metal caliper with curved, rounded ends. There is a crossbar scale that slides as the rounded ends get farther apart. The small circular screw that holds the scale in place has become detached.
- Place used
- Washington, District of Columbia, United States, North and Central America
- Classification
- Tools and Equipment
- Type
- calipers
- Credit Line
- Collection of the Smithsonian National Museum of African American History and Culture, Gift of Dr. Michael L. Blakey
- Object number
- 2014.308.1ab
- Restrictions & Rights
- No Known Copyright Restrictions
- Proper usage is the responsibility of the user.




