Jean_LAMESCH_Sliderules_Collection_BOX_JL10

1774_FABER_CASTELL_8_10_circular

1774_FABER_CASTELL_8_10_circular

German FABER_CASTELL 8/10 small plastic simplex circular sliderule with 11 scales. Back side (not shown) is white. Diameter 125mm. The 7 inner scales are on a turnable disc. The plastic hand has gauge lines for kW and PS. Black leather pouch. Produced from 1965 to 1975. More here.