Jean_LAMESCH_Sliderules_Collection_BOX_JL05

1670_GILSON_MIDGET_Type3version1

1670_GILSON_MIDGET_Type3version1

GILSON Midget Type III version 1 small US circular duplex sliderule, aluminium corpus, diameter is 3 inch 13/16. Celluloid cursor on back side (right picture) is in bad shape. More on the Midget series here. No case, no pouch.