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The '''Geodimeter''' (acronym of '''geodetic distance meter''') was the first optical [[electronic distance meter]] [[surveying instrument]].<ref name="Rüeger 2012 p. 15">{{cite book | last=Rüeger | first=J.M. | title=Electronic Distance Measurement: An Introduction | publisher=Springer Berlin Heidelberg | year=2012 | isbn=978-3-642-80233-1 | url=https://books.google.com |
The '''Geodimeter''' (acronym of '''geodetic distance meter''') was the first optical [[electronic distance meter]] [[surveying instrument]].<ref name="Rüeger 2012 p. 15">{{cite book | last=Rüeger | first=J.M. | title=Electronic Distance Measurement: An Introduction | publisher=Springer Berlin Heidelberg | year=2012 | isbn=978-3-642-80233-1 | url=https://books.google.com/books?id=QNytBAAAQBAJ&pg=PT15 | access-date=2020-09-24 | page=15}}</ref><ref name="Bergstrand2008">{{cite journal|last1=Bergstrand|first1=Erik|title=Distance measuring by means of modulated light|journal=Bulletin Géodésique|volume=24|issue=1|year=2008|pages=243–249|issn=0007-4632|doi=10.1007/BF02526937|s2cid=121587208}}</ref> |
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It was originally developed for [[Speed of light#Measurement|measuring the speed of light]].<ref name="Froome Essen 1969 p. ">{{cite book | |
It was originally developed for [[Speed of light#Measurement|measuring the speed of light]].<ref name="Froome Essen 1969 p. ">{{cite book | last1=Froome | first1=K.D. | last2=Essen | first2=L. | title=The Velocity of Light and Radio Waves | publisher=Academic Press | year=1969 | url=https://books.google.com/books?id=a7fvAAAAMAAJ | access-date=2020-09-24 | page=}}</ref><ref name="Bergstrand 1950 pp. 405–405">{{cite journal | last=Bergstrand | first=Erik | title=Velocity of Light | journal=Nature | publisher=Springer Science and Business Media LLC | volume=165 | issue=4193 | year=1950 | issn=0028-0836 | doi=10.1038/165405a0 | pages=405| s2cid=4281189 }}</ref> |
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It was invented in the 1940s by [[Erik Osten Bergstrand]] and commercialized in 1953 by the AGA (Aktiebolaget Gasaccumulator) company of Sweden.<ref name="AGA 2014">{{cite web | title=AGA Geodimeter | website=AGA Museum | date=2014-10-03 | url=http://www.aga-museum.nl/page/aga-geodimeter-nasm-2a | access-date=2020-09-24}}</ref> |
It was invented in the 1940s by [[Erik Osten Bergstrand]] and commercialized in 1953 by the AGA (Aktiebolaget Gasaccumulator) company of Sweden.<ref name="AGA 2014">{{cite web | title=AGA Geodimeter | website=AGA Museum | date=2014-10-03 | url=http://www.aga-museum.nl/page/aga-geodimeter-nasm-2a | access-date=2020-09-24}}</ref> |
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Revision as of 09:09, 26 September 2020
The Geodimeter (acronym of geodetic distance meter) was the first optical electronic distance meter surveying instrument.[1][2] It was originally developed for measuring the speed of light.[3][4] It was invented in the 1940s by Erik Osten Bergstrand and commercialized in 1953 by the AGA (Aktiebolaget Gasaccumulator) company of Sweden.[5]
See also
References
- ^ Rüeger, J.M. (2012). Electronic Distance Measurement: An Introduction. Springer Berlin Heidelberg. p. 15. ISBN 978-3-642-80233-1. Retrieved 2020-09-24.
- ^ Bergstrand, Erik (2008). "Distance measuring by means of modulated light". Bulletin Géodésique. 24 (1): 243–249. doi:10.1007/BF02526937. ISSN 0007-4632. S2CID 121587208.
- ^ Froome, K.D.; Essen, L. (1969). The Velocity of Light and Radio Waves. Academic Press. Retrieved 2020-09-24.
- ^ Bergstrand, Erik (1950). "Velocity of Light". Nature. 165 (4193). Springer Science and Business Media LLC: 405. doi:10.1038/165405a0. ISSN 0028-0836. S2CID 4281189.
- ^ "AGA Geodimeter". AGA Museum. 2014-10-03. Retrieved 2020-09-24.
Further reading
- J.R. Smith (1998), The History of Geodimeter®, Spectra Precision, Printed in Sweden 07-98 Publ. No. 571 710 000. [1]
External links
- AGA Geodimeter Model 6 (Going the Distance: A Photo Collection Illustrating the History of Distance Measurement Tools at the National Geodetic Survey)
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