Name Faber Castell 61/87/397 Rietz
Front Scales 14cm / K A = B CI C = D L ] 1:25
Back Scales = sin sin/tg tg =
Type of Rule slide rule
Material wood/plastic
Dimension (mm) 155x31x9
Area of Use generic
Origin of Rule IJzebrand Schuitema
Match Number 1188
Comment  
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