Rule, Parallel

Object/Artifact

-

Grover Center: Museum & Historical Society

Parallel Ruler

Name/Title

Rule, Parallel

Description

Parallel Rule, middle sliding panel reads: B1. U.S. PATS. 2,168,056; 2,170,144; and 2.285,722.

Collection

Harrell, Ray

Acquisition

Accession

2011.007

Source or Donor

Harrell, Ray

Acquisition Method

Donation

Made/Created

Date made

1940 - 1950

Condition

Overall Condition

Good

Maintenance

Maintenance History

Date

Jul 21, 2011

Create Date

July 21, 2011

Update Date

January 6, 2024