Olivetti Underwood Adding Machine

Olivette underwood vintage calculating machine.

Olivetti underwood adding machine.

The olivetti multisumma 20 apparently a later machine than the multisumma 22 was introduced in 1965. As a manually operated machine it retains the joystick and most of the functions of the summa 15 above but is less than half the weight. View it on ebay. It prints results on paper and is entirely mechanical.

Olivetti divisumma 33 adding machine vintage. This example was manufactured after olivetti acquired the underwood typewriter company in 1959. It is manually powered and does not have a led display. Underwood olivetti adding machine manual calculator prima 20 1960s vintage.

The machine has a gray metal case with a black lid. Make offer underwood olivetti adding machine manual calculator prima 20 1960s vintage. According to shapira olivetti purchased a controlling share of underwood in 1959. Vintage general electric adding machine w cover made usa.

Elliott fisher became the parent of the underwood typewriter company and the sundstrand adding machine co. Item 4 vintage olivetti underwood manual typewriter studio 44 unrestored no case 4 vintage olivetti. Underwood started adding addition and subtraction devices to their typewriters in about 1910. The mechanism sits in a pressed metal base with a moulded plastic cover.

The prima 20 is basic 10 key office adding machine with add subtract total and sub total. The serial number on the bottom is m 346630. View it on ebay. Item 3 vintage underwood olivetti adding machine multi sumaa 22 calculator 3 vintage underwood olivetti adding machine multi sumaa 22 calculator.

Like many olivetti products these adding machines reflect the style of artist and industrial designer marcello nizzoli and have received attention for that reason.