Manufacturer: Acumath
Country of Manufacture: U.S.A.
Type: Log Log Decimal Trig 1311
Date of Manufacture:  
Scales: (Front) LL02,LL03,DF [CF,CIF,CI,C]D,LL3,LL2
Scales: (Back) LL01,K,A [B,T,ST,S]D,L,LL1
Number of Scales: 20
Gauge Points: π,e,s'
Slide Rule made from: Aluminium with metal end pieces
Cursor made from: Plastic
Cursor Lines: 1 front and 1 back
Overall Length of Rule: 33.6 cm
Length of Scales: 25 cm
Width: 4.2 cm
Depth: 0.5 cm
Weight: 124 gm
Acquired from: Dan Piwowarczyk
Date: March 2001
Condition: Good
 Leather case:  Average condition

 May have been made by Sterling Plastics?