This "Baby Calculator" dates between 1944-1956. You can tell this by the city name on the bottom, Glenview, Illinois - USA. It was between 1944 & 1956 that "The Calculator Machine Company" was located here.
This is a neat little piece of vintage technology! It would make a great gift for a math geek or an accountant.
It is in good condition, but is missing the cover, stylus and instructions. Instructions can be found online.
Measures 5 3/4" x 3 3/4". About 1/4" thick.
Please see all pictures to make your own evaluation of this items value and condition prior to purchase.