Manufacturer: Standardgraph
Country of Manufacture: Germany
Type: Circular 910
Number:  
Date of Manufacture:  
Scales: (Front) L, CI, C [D, S, T, R]
Scales: (Back) None
Number of Scales: 7
Gauge Points: π, p', p", q, R, d
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 2
Overall Length of Rule: 12.8 cm Diameter
Length of Scales:  
Width:  
Depth: 0.7 cm
Weight:  
Acquired from: Charly Siem
Date: April 2008
Condition: Good
Accessories: 
 Leather sheath.  Good condition
 Instructions (German). Medium Condition
Comments: