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Details and Image



Item#TypeModelModel NameMakerCountryMaterialScale LengthDateCondition
FAB019Linear
1/48
Maschinenzeit
Faber-Castell
GermanyPearwood
12.5 cm
1958
C4

Notes: "Speciality slide rule for making machine time calculations. Used by machinists to calculate feed rates, cutting speed, cutting time, and other calculations. Scale length based on D scale on bottom stator and B CI C scales on reverse of slide."

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