Sun Hemmi Slide rule #259D Made in Japan with Leather Case $35.00
This rule was owned and used by Donald Wehr at Radio Corporation of America - RCA, Camden NJ. signed inside of leather case flap. This rule and case is in like new, pristine, condition.

Make: Hemmi, Japan
Model: 259D
Scales: L,K,A[B,T,S,ST,C]D,DI,LL0,LL/0, LL/1,LL/2,LL/3,DF[CF,CIF,DI,C]D,LL3,LL2,LL1
Cursor: Metal frame and glass.