Matches in DBpedia 2016-04 for { ?s ?p "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 and course & speed are known. By extension, it has a range of other functions related to relative velocity calculations. A number of versions of the device were produced and it proved particularly useful for station-keeping, such as ships moving in convoy during World War II."@en }
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- Battenberg_course_indicator comment "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 and course & speed are known. By extension, it has a range of other functions related to relative velocity calculations. A number of versions of the device were produced and it proved particularly useful for station-keeping, such as ships moving in convoy during World War II.".
- Q4869712 comment "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 and course & speed are known. By extension, it has a range of other functions related to relative velocity calculations. A number of versions of the device were produced and it proved particularly useful for station-keeping, such as ships moving in convoy during World War II.".