12cm high / 23cm wide / 38cm deep / 4.1 kilograms

Olivetti Summa Prima 20 mechanical adding machine . Made in Italy, around 1960 , original design by Marcello Nizzoli in 1949. The keyboard includes special keys for "10" and "11", for working in pounds, shillings and old pence. Prints the answers on to a small roll of paper using black ink for addition and red ink for subtraction

Condition: Overall 6. Tranishing to metal, crack to plastic cover

Lovely piece of design