The user entered the first factor to be multiplied on the The line of keys on the left was used for this The calculator allowed the multiplication as a repeated addition or Just a light press was sufficient to press any key. It has aįull keyboard which was very smooth comparing to the keyboards of The calculator Diehl reminds Friden or Monroe calculators. To 4000 DM for one Diehl calculator! For basic comparison: the priceįor the car VW that time was 4150 DM, the average monthly income was Prices of present calculators and computers. The prices ofĮlectromechanical calculators that time are unbelievable comparing to Peaks of technology and fine mechanics that days. Price corresponded with the fact that the calculators were one of the Number of components for advanced model attacked the number 4000. The first (simplest) Diehl calculators wereĪssembled from about 2800 parts, all of them produced in Nürnberg. The calculators were that time real wonders of fine mechanic. It is a steppedĭrum calculator which is a redesigned model DR produced from 1957 The model KR15 has been produced from 1960 to 1964. The other producers likeĪlso produced electromechanical calculators, but of a slightly Were located in DDR and produced mainly for the market in SovietĬommunistic block.
Same type were in 50's and 60's Friden, Marchant and Monroe from USAĪnd Madas from Switzerland. The strongest competitors who produced machines of the Thanks to the advanced know-how from Archimedes time, Diehl becomeįast to be one of the prominent producers of the electromechanicalĬalculators. Nürnberg in the western part, future BRD, and continued the production The management and leading developers of the company moved to The company was located in the eastern part of Germany, futureĭDR. ArchimedesĬompany produced their calculators in Glashütte, Germany.
Friden calculator circa 1960 full#
full automatic division with possibility to preset the precisionĭiehl is a continuation of Archimedes line of calculators.semiautotmatic multiplication with some funny numbers.