Name Faber Castell 4477 Wichmann
Front Scales 27cm lg / K A = B CI C = D P ] sin tg #34-58cm#
Back Scales = LL1 LL2 LL3 =
Type of Rule slide rule
Material wood/plastic
Dimension (mm) 300x39x11
Area of Use generic
Origin of Rule Herman van Herwijnen
Match Number 1007
Comment  
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