Name	Keuffel & Esser 4181 - 1 Pocket Slide Rule (A2. and ???)
Front Scales	LL01 L K A = B T SRT S = D DI LL1 ?
Back Scales	LL02 LL03 DF = CF CIF CI = D LL3 LL2
Type of Rule	slide rule
Material	Ivorite Precision Molded ABS
Dimension (mm)
Area of Use	generic
Origin of Rule	Michael O'Leary
Match Number	4736
Comment
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