Physical description
MADAS (Multiplication, Addition, Division, Subtraction) Electrical calculator with full keyboard and automatic multiplication. Made in Switzerland c1950. Cost $450. Presented to the Univewrsitiy by Peacock Bros., Carlton
MADAS (Multiplication, Addition, Division, Subtraction) Electrical calculator with full keyboard and automatic multiplication. Made in Switzerland c1950. Cost $450. Presented to the Univewrsitiy by Peacock Bros., Carlton