TECHNICAL DATA  of the  Mechanical  Calculator   F E L I K S   » Model M «
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Serial Number:       H205622

Dimensions:   (ca.)  Width   =  11     "  /  28 cm
                     Depth   =   6     "  /  15 cm
                     Height  =   5_1/4 "  /  13 cm

Weight:       (ca.)  8 lbs  /  3.6 kg

Mechanics:           Pin-Wheel / Sprossenrad
                     10s Carry Mechanism
                     Counter Stepping Mechanism + Animation

Functions:           Add, Subtract, Multiply, Divide

Registers:           Input       =   9 Decimals
                     Counter     =   8 Decimals  ( NO 10s-Carry )
                     Arithmetic  =  13 Decimals
Manufacturer: 
                     Moscow / USSR
                     1970

BASICS  &  HOW TO USE  the  FELIKS  Model M
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                     See Chapter  » FELIKS-M «  ...

R E M A R K :  "Negatve Side" of the COUNTER-WHEELS are NOT painted RED !!

impressum:
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© C.HAMANN           http://public.BHT-Berlin.de/hamann           09/08/07