By A Mystery Man Writer
This great little vintage pocket calculator is from the 1960s before electronic calculators became more compact and affordable. Does addition,
1960s Calculator - Canada
images./images/import/20
Pocket Calculators
Mechanical Calculators: Computing Without Electricity
1960s Kingson Magic Pocket Calculator
Addimult Mechanical Calculator Bitone Metal Cover And Marker
1960s Calculator - Canada
Objects of Intrigue: The Curta Calculator - Atlas Obscura
Vintage 1960s MAGIC BRAIN Pocket Mechanical Addiator Calculator Unpunched NOS