FRIDEN 1950βs vintage calculator RARE
Friden SBT rotary adding machine Comes with original cord, dust cover & manual Rarely seen or offered for sale Not checked if working but still make a great display piece Has been in my family for almost 50 years Made between******1965 This unit was almost US$1000 new in 1965 This is a significant piece of accounting history Thereβs one at the Smithsonian Museum in Washington