Type name / number: Precisa Model 166-12
Production / SN: D162026
Calculating principle: Rocking Segment
Calculating functions: Add, Subtract, Divide (automatic) and multiply (automatic)
Input accuracy 12 digits
Calculating accuracy: 13 digits
Extra's:

The features are those of the 162-12, including automatic division
Designer: Gelling, Helmut (Chefkonstrukteur source Rechnerlexikon)
Production year: between 1963 1978. (Price 1967: DM 2380,- )
Case material: Plastic
Weight: 8.5 kg
External links: http://www.rechnerlexikon.de/artikel/Precisa_166-12
Previous owner: Mr. T. Blanz, 67435 Neustadt, Germany
Cosmetic imperfections:
(I accuse no one)		 The case color is darker on some parts (by the sun light). The machine is perfectly clean and scratches or the like are hardly not to find.
Date of receiving: 2014-04-12
Machine story:

2014-04-14
The machine was working on arrival. Ink ribbon replaced. Calculation tests executed. Adding subtracting and automatic multiplication works well. Automatic divide not tested yet.
Made photo's external and internally.

2014-04-15
Automatic divide works as well. Please see picture number 17.

On the :

  • compact build of a complex machine like this,
  • the speed of calculation,
  • the relatively silence operation

you can notice the quality of the manufacturer Precisa and the advanced production technology and materials used in the years the last mechanical calculators are designed and build.

Content without guarantee! (UK); Inhalt Ohne Gewähr! (DL)