Manufacturer: Reiss
Country of Manufacture: Germany
Type: Progress 3223
Date of Manufacture:  
Scales: (Front) A, DF [CF, CI, C] D, L
Scales: (Back) T1, T2 [LL1, LL2, LL3] D, S
Number of Scales: 14
Gauge Points: π, p'', p', p, e
Slide Rule made from: Aluminium
Cursor made from: Plastic
Cursor Lines: 3 front, 1 back
Overall Length of Rule: 33.6 cm
Length of Scales: 25cm + 2.8 cm extension
Width: 3.3 cm
Depth: 0.4 cm
Weight: 118 gms
Acquired from: Silvio Salzmann
Date: Oct 2001
Condition: Good
 Leather case.  Good condition
 A very unusual rule with a nice "feel"