Coulson's slide rule, made by Dring and Fage; wood, brass bound at ends; two slides, rule and slide divided on both faces; two slides each 9 3/4" long, and each brassbound at one end; size of rule 9 1/2"x 1 7/8" x 1/4"
Details
- Category:
- Mathematics
- Object Number:
- 1922-91
- type:
- slide rule (coulson)
- credit:
- Lt. James F. Godwin