Machines a Calculer

CHILDREN’s PLEASURE

Inventor
Unkown
Invention date
Unkown
Manufacturing date:
Unkown
Manufacturing location
Nuremberg (Germany)
Manufacturer
Unknown
Dimensions
L 19 D 3
Reference Number
274
CHILDREN’s PLEASURE

This cylinder (made around 1950) gives the result of the product of numbers between 1 to 16 with numbers between 1 to 20.