- Manufactured by
- L. L. Ridgway Enterprises, Inc., American, founded 1936
- Owned by
- Chase, John S., American, 1925 - 2012
- Date
- mid-late 20th century
- Medium
- metal
- Dimensions
- H x W x D: 2 3/8 × 3/8 × 3/8 in. (6 × 1 × 1 cm)
- Description
- Ruling pen attachment from a drafting tool kit used by architect John S. Chase. The small metal attachment has two (2) metal prongs with a screw in the center to adjust the width of the opening. The screw is engraved with [RIDGWAY'S GERMANY]. The prongs are tapered at the end. The other end is forked to fit into a ruling pen handle.
- Place made
- Germany, Europe
- Place used
- Houston, Harris County, Texas, United States, North and Central America
- Classification
- Decorative Arts, Craft, and Design
- Tools and Equipment
- Topic
- Architecture
- Building Arts
- Design
- Labor
- Credit Line
- Collection of the Smithsonian National Museum of African American History and Culture, Gift of Drucie Rucker Chase
- Object number
- 2018.69.2.8
- Restrictions & Rights
- No Known Copyright Restrictions
- Proper usage is the responsibility of the user.




