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- Friedrich_von_Hefner-Alteneck abstract "Friedrich Heinrich Philipp Franz von Hefner-Alteneck (April 27, 1845 in Aschaffenburg – January 6, 1904 in Biesdorf near Berlin) was a German electrical engineer and one of the closest aides of Werner von Siemens. He is largely remembered for the invention of the Hefner lamp, which provided the measure of luminous intensity used in Germany, Austria and Scandinavia from 1890 to 1942. The measure was called the Hefnerkerze (HK). The Hefnerkerze was superseded in the 1940s by the modern SI unit, the candela.He was elected a member of the Royal Swedish Academy of Sciences in 1896.".
- Friedrich_von_Hefner-Alteneck birthDate "1845-04-27".
- Friedrich_von_Hefner-Alteneck birthYear "1845".
- Friedrich_von_Hefner-Alteneck deathDate "1904-01-06".
- Friedrich_von_Hefner-Alteneck deathYear "1904".
- Friedrich_von_Hefner-Alteneck thumbnail 1904_Hefner-Alteneck.jpg?width=300.
- Friedrich_von_Hefner-Alteneck viafId "30332803".
- Friedrich_von_Hefner-Alteneck wikiPageExternalLink Hefnerlampe.htm.
- Friedrich_von_Hefner-Alteneck wikiPageID "19832073".
- Friedrich_von_Hefner-Alteneck wikiPageRevisionID "587377807".
- Friedrich_von_Hefner-Alteneck dateOfBirth "1845-04-27".
- Friedrich_von_Hefner-Alteneck dateOfDeath "1904-01-06".
- Friedrich_von_Hefner-Alteneck hasPhotoCollection Friedrich_von_Hefner-Alteneck.
- Friedrich_von_Hefner-Alteneck name "Hefner-Alteneck, Friedrich Von".
- Friedrich_von_Hefner-Alteneck subject Category:1845_births.
- Friedrich_von_Hefner-Alteneck subject Category:1904_deaths.
- Friedrich_von_Hefner-Alteneck subject Category:German_engineers.
- Friedrich_von_Hefner-Alteneck subject Category:Members_of_the_Royal_Swedish_Academy_of_Sciences.
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- Friedrich_von_Hefner-Alteneck type Engineer109615807.
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- Friedrich_von_Hefner-Alteneck comment "Friedrich Heinrich Philipp Franz von Hefner-Alteneck (April 27, 1845 in Aschaffenburg – January 6, 1904 in Biesdorf near Berlin) was a German electrical engineer and one of the closest aides of Werner von Siemens. He is largely remembered for the invention of the Hefner lamp, which provided the measure of luminous intensity used in Germany, Austria and Scandinavia from 1890 to 1942. The measure was called the Hefnerkerze (HK).".
- Friedrich_von_Hefner-Alteneck label "Friedrich von Hefner-Alteneck".
- Friedrich_von_Hefner-Alteneck label "Friedrich von Hefner-Alteneck".
- Friedrich_von_Hefner-Alteneck label "Friedrich von Hefner-Alteneck".
- Friedrich_von_Hefner-Alteneck label "Friedrich von Hefner-Alteneck".
- Friedrich_von_Hefner-Alteneck label "Хефнер-Альтенек, Фридрих фон".
- Friedrich_von_Hefner-Alteneck sameAs Friedrich_von_Hefner-Alteneck.
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- Friedrich_von_Hefner-Alteneck sameAs Friedrich_von_Hefner-Alteneck.
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- Friedrich_von_Hefner-Alteneck sameAs Friedrich_von_Hefner-Alteneck.
- Friedrich_von_Hefner-Alteneck wasDerivedFrom Friedrich_von_Hefner-Alteneck?oldid=587377807.
- Friedrich_von_Hefner-Alteneck depiction 1904_Hefner-Alteneck.jpg.
- Friedrich_von_Hefner-Alteneck givenName "Friedrich Von".
- Friedrich_von_Hefner-Alteneck isPrimaryTopicOf Friedrich_von_Hefner-Alteneck.
- Friedrich_von_Hefner-Alteneck name "Friedrich Von Hefner-Alteneck".
- Friedrich_von_Hefner-Alteneck name "Hefner-Alteneck, Friedrich Von".
- Friedrich_von_Hefner-Alteneck surname "Hefner-Alteneck".
