Charvoz Roos No. SR-111
Trig-O-Log
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slide rule
slide rule
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ManufacturerCharvoz Roos
ModelSR-111
Serial No.
Scale length25 cm
Overall length31.1 cm
Width4.0 cm
Body/Slide materialsCeluloid on wood
Post materialsMetal
Cursor materialsPlastic
Scales L LL1 DF [CF CIF CI C] D LL3 LL2
LL0 LL00 A [B K CI C] S ST T
AccessoriesBrown leather case poor condition.
Notes
Tag No.CR-111
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