antik.it/Antique-measuring-instruments/61054-Super-Simplex/
1533910582Code 61054 Super SimplexSuper-Simplex Calculator, in its original cardboard case, which contains some useful tables with specific weights of different materials. It consists of a series of racks enclosed in a metal container and operated by a stylus (included). Italian manufacture (signed F.D.) of the 1920s; very good condition; measures of the closed case cm 7x15x0.7 - inches 2.75x5.9x0.27.
To perform calculations first you have to use the bar located at the top of the instrument to zero the counter; then use the supplied stylus to select the starting numbers; if you want to add the numbers, move the rack in the lower part of the dial downwards, if you want to do the subtraction, move the rack up towards on the upper part of the dial; to make the multiplication you make the sum (eg 3x2, lower twice number 3 in the lower part), to make the divisions subtract (eg 4/2 select the 4 and then raise once number 2 in the upper part ).
5/5
BRANDEN - FL USA 03/27/2019
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Antique measuring instruments
Code 61054 Super Simplex
Antik Arte & Scienza sas di Daniela Giorgi - via S. Giovanni sul Muro 10 20121 Milan (MI) Italy - +39 0286461448 - info@antik.it - www.antik.it - Monday-Saturday: 10am-7pm
