Statistics – Computation
Scientific paper
Aug 1924
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1924natur.114q.276b&link_type=abstract
Nature, Volume 114, Issue 2860, pp. 276 (1924).
Statistics
Computation
1
Scientific paper
IN the issue of NATURE for June 28, p. 926, Prof. Robertson, discussing the ``Comparison of Wavelengths with a Fabry and Perot Etalon'' points out that for determining fractional orders of interference it is sufficient to measure only the linear diameters of the interference rings. This practice has been used extensively at Mount Wilson Observatory for ten years. It was described in Mount Wilson Contributions, No. 137, Astrophysical Journal, 46, 138, 1917, and No. 202, Astrophysical Journal, 53, 42, 1921, where full details will be found. It was shown that the method offers marked advantages, such as (1) reduction of labour, (2) smaller probable errors, (3) convenient numerical checks which diminish the chances of mistakes in computation.
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