aristo 868

Technical Features
Manufacturer: Aristo
Model N ° 0868 ( Variation 3 ) 
Year 1973 
Lenght (scales) 12.5 cm + 1. 2 cm ext  
Material Wood / Celluloid  Cursor Metal / Glass
Info: Aristo 868 Studio Pocket Slide Rules

A high end log log format pocket rule, shown with the factory box, leather case, and original manual. Has a slightly magnifying 6 line cursor, CF/C and B/C accent color stripes (faint). Self-documenting, two-color scales, including folded, log log, P (pythagorean) and decimal trig scales.