Mechanical Calculators & Adding Machines

Addometer

Home
Back
The Addometer is supplied in a fitted, velvet padded case. I have included the instruction sheet with all the details. This calculator was around in the early 1900s and from an advert I found when I was trying to date it the price was $12.95 in 1947. Rather expensive for 1947?
Addo
Addo2
Addo3