• Addition side
    Addition side
Addiator Duplex Slide Calculator
Addiator Duplex Slide Calculator

Addiator Duplex Slide Calculator

physical object

Identifier
2024.10.25
Description
Made in 1955 in Berlin, the slide calculator was sold by firm of Carl Keubler under the name Addiator. The artifact comes in a navy blue leather carry case.
Related Term
Pocket Calculators (describes)

Related person
Dhruvarajan Rajan (was donor of)