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PRECISA   164-12



TECHNICAL DATA       of  the  F u l l - Motorized Electro-Mechanical
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                                        Printing-Calculator    12/13
Model:               PRECISA 164-12

Serial Number:       D 153826 / 2443_1186 = Chassis

Dimensions:   (ca.)  Width   =   9_1/2 " /  24 cm
                     Depth   =  13     " /  33 cm
                     Height  =   6_1/2 " /  17 cm

Weight:       (ca.)  18 lbs  /  8.2 kg

Power Supply:        220 V AC / DC    90 W

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

                     Black/RED Nylon Ribbon (= Typewriter):
                     1/2" * 16'  /  13 mm * 5 m
                     ( Spool-Diameter = 1_1/4"  /  32 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, MULTIPLY
                     NonAdd, Repeat, Subtotal, Total

                     Negative Numbers & Results are printed in RED!

Registers:           Input       =  12 Decimals
                     Arithmetic  =  13 Decimals
                     Memory      =   8 Decimals
                     Printing    =  14 Characters
Manufacturer:
                     PRECISA A.G.
                     Rechenmaschinenfabrik
                     Zuerich
                     Switzerland
                     1970

H O W   T O   U S E    the  PRECISA  »164-12«
=============================================

A User Manual is available ( in German ) ...

http://www.rechnerlexikon.de/files/Precisa-164-Gebrauchsanleitung.pdf

R E M A R K S :
============================================
There are "problems" with the paper roll ...
(1st)
If you touch it on the backside of the desk: The roll fall out.
(2nd)
The 2_1/4 wide roll doesn't cover the 14th print position, because of
the paper roll fixture.

M y   S o l u t i o n s :

  

I made CLIPS out of steel wire to fix the paper roll axle - and
I put 2 WASHERS on the right side of the paper roll fixture.

impressum:
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© C.HAMANN     http://public.beuth-hochschule.de/~hamann     02/28/11