Manufacturer: Controller
Country of Manufacture: Germany
Type: Controller
Number:  
Date of Manufacture:  
Scales: (Front) C [D, A, K]
Scales: (Back) None
Number of Scales: 4
Gauge Points: π, 1.01, 1335, 144, 2.02, 333, 4.05, 666
Slide Rule made from: Tin plate
Cursor made from: Plastic
Cursor Lines: 2
Overall Length of Rule: 7.3 cm Diameter
Length of Scales:  
Width:  
Depth: 0.15 cm
Weight:  
Acquired from: Deborah Shanks
Date: January 2003
Condition: Good
Accessories:
 Plastic sheath. Good condition
Comments: