Manufacturer: Staedtler
Country of Manufacture: Germany
Type: 544-28
Number: 669
Date of Manufacture:  
Scales: (Front) P, S, T1, T2, A [B, K, CI, C] D, R1, R2, L, ST
Scales: (Back) LL00, LL01, LL02, LL03, DF [CF, CIF, CI, C] D, LL3, LL2, LL1, LL0
Number of Scales: 28
Gauge Points: π, p'', p', e
Slide Rule made from: Plastic with Metal End Pieces
Cursor made from: Plastic
Cursor Lines: 4 front (including s, kW, d, HP), 2 back
Overall Length of Rule: 35.7 cm
Length of Scales: 25 cm + 3.3 cm extension
Width: 4.8 cm
Depth: 0.4 cm
Weight: 152 gm
Acquired from: Marion Runerson
Date: Aug 2000
Condition: Good
 Leather case. Good condition
 Very high gloss
 Same as Nestler Multimath Duplex 0292