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bn:01956008n
Noun Concept
Categories: Mechanical calculators, Multiplication
EN
Genaille–Lucas rulers  Genaille Rods  Genaille's rods  Genaille-Lucas rods  Genaille-Lucas ruler
EN
Genaille–Lucas rulers are an arithmetic tool invented by Henri Genaille, a French railway engineer, in 1891. Wikipedia
Definitions
Relations
Sources
EN
Genaille–Lucas rulers are an arithmetic tool invented by Henri Genaille, a French railway engineer, in 1891. Wikipedia
Arithmetic tool Wikidata
IS A
calculating tool
BASED ON
Napier's bones
DISCOVERER OR INVENTOR
Édouard Lucas
NAMED AFTER
Édouard Lucas
Wikipedia
EN
Genaille–Lucas rulers
Wikidata
EN
Genaille–Lucas rulers
Wikipedia Redirections
EN
Genaille's rods, Genaille-Lucas rods, Genaille-Lucas ruler, Genaille-Lucas rulers, Genaille Rods, Genaille rods, Genaille rulers, Genaille–Lucas ruler
Wikidata Alias
EN
Genaille's rods

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