First field tested of an angular dual wavelenght instrument
Williams, D. C. ; International Association of Geodesy - Symposium on Electromagnetic Distance Measurement and the Influence of Atmospheric Refraction, Wageningen, Netherlands, 23 - 28 May 1977 ; International Association of Geodesy - Symposium on Electromagnetic Distance Measurement and the Influence of Atmospheric Refraction, Wageningen, Netherlands, 23 - 28 May 1977

Signature: K-41547
Published: Middlesex, England: Division of Mechanical and Optical Metrology National Physical Laboratory Teddington, 1977


Extent: 8 s.
Notes: 5 obr., lit. 3., 1 seš.

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 Record created 2014-01-11, last modified 2018-11-27



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