T E C H N I C A L   D A T A   of  the  Mechanical Printing-Calculator
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                                                                10/11
Model:               UNDERWOOD-OLIVETTI
                     
                     ( Back-Plate of the MODEL NAME was missing )

Serial Number:       267987

Dimensions:   (ca.)  Width   =   9 " /  23 cm
                     Depth   =  14 " /  36 cm
                     Height  =   5 " /  13 cm

Weight:       (ca.)  9_1/4 lbs  /  4.2 kg

Mechanics:           Serial-to-parallel Conversion,
                     10-Block-Keyboard

                     Black/RED Nylon Ribbon (= Typewriter):
                     1/2" * 16'  /  13 mm * 5 m
                     ( Spool-Diameter = 1_1/2"  /  40 mm )
                     Paper Roll (Standard):
                     2_1/4" * 2_3/4" * 165'  (W * D * L)
                     57 mm  * 65 mm  * 50 m  (B * D * L)

Functions:           Add, Subtract,
                     NonAdd, Repeat, Subtotal, Total

Registers:           Input       =   10 Decimals
                     Arithmetic  =   11 Decimals
                     Printing    =   12 Characters
Manufacturer:
                     OLIVETTI & C., S.p.A.
                     Ivrea / Italy
                     1975

HOW TO USE  this  UNDERWOOD-OLIVETTI
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This  OLIVETTI  Adding Machine was for the USA (= UNDERWOOD ) Market.
It came in an artificial leather case with zippers. The calculator is
equal to the Europa  » SUMMA PRIMA 20 «  Model ... 

                  see OLIVETTI » SUMMA PRIMA 20 « ...
                  Have a look at "Calculating Trickies" ...
impressum:
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© C.HAMANN        http://public.BHT-Berlin.de/hamann         10/28/18