bn:14926547n
Noun Concept
Categories: Military computers, Analog computers, 19th-century military computers, Mechanical computers
EN
Battenberg Course Indicator
EN
The Battenberg course indicator is a mechanical calculating device invented by Prince Louis of Battenberg in 1892 for taking station on other vessels whose range, bearing, course and speed are known. Wikipedia
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EN
The Battenberg course indicator is a mechanical calculating device invented by Prince Louis of Battenberg in 1892 for taking station on other vessels whose range, bearing, course and speed are known. Wikipedia
Train speed calculator in 1892 Wikidata
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