Mercedes-Euklid on:
[Wikipedia]
[Google]
[Amazon]
The Mercedes-Euklid is a 
Erhard Anthes, Die Mercedes Euklid (1910–1970)
Mechanical calculators {{tech-stub
The Mercedes-Euklid is a German
German(s) may refer to:
* Germany (of or related to)
**Germania (historical use)
* Germans, citizens of Germany, people of German ancestry, or native speakers of the German language
** For citizens of Germany, see also German nationality law
**Ger ...
-invented calculator
An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.
The first solid-state electronic calculator was created in the early 1960s. Pocket-sized ...
from the early twentieth century. It was built by ''Mercedes Büro-Maschinen Werke AG'' in Thuringia
Thuringia (; german: Thüringen ), officially the Free State of Thuringia ( ), is a state of central Germany, covering , the sixth smallest of the sixteen German states. It has a population of about 2.1 million.
Erfurt is the capital and larg ...
, Germany in 1905. The first manual mechanical models utilized a proportional-lever design invented by Christel Hamann
Christel Bernhard Julius Hamann (born February 27, 1847 in Hammelwarden, Oldenburg – died June 9, 1948 in Berlin, Germany) was a German-born inventor of Computing Machines.
Early life and education
Hamann's father was an Oldenburg border g ...
in 1903.
An electric model, the Mercedes Euklid 30, was released circa 1945, though it may not have been the company's first electric calculator. In the 1960s, another electric model was released under the name "Cellatron."
References
* *Erhard Anthes, Die Mercedes Euklid (1910–1970)
Mechanical calculators {{tech-stub