Category:Slide rules system Rietz

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Deutsch: Rechenschieber, System Rietz
English: Slide rules, system Rietz:
In 1902, the German engineer Max Rietz modified and enhanced the System Mannheim with an X-cubic scale (K) and mantissa scale (L) on the front. 1925 he added a reciprocal-X scale (CI).[1]
  1. Christian Hamann (2017-05-28). The History of Slide Rule Inventors. On-line Pre-Computer Technical Museum. Beuth University of Applied Sciences Berlin. Retrieved on 2021-03-28.

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Media in category "Slide rules system Rietz"

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