Manufacturer: Aristo
Country of Manufacture: Germany
Type: Martin Space Rule 80123
Date of Manufacture: ~1962
Scales: (Front) 5 specialised [3 specialised, C] D, 2 specialised
Scales: (Back) 12 specialised [6 specialised]
Number of Scales: 30
Gauge Points:  
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 1 front, 1 back
Overall Length of Rule: 18.0 cm
Length of Scales: 14.0 cm maximum
Width: 3.8 cm
Depth: 0.5 cm
Acquired from: Art Wilson
Date: January 2007
Condition: Good
 Leather sheath. Good condition.