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Number 2, January 1923
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Frank Dyson
W Day
W A Dixey
O P Raphael
W Swaine
The object of this paper is to draw attention to the cumulative effect of the various approximations used in refraction work.
Henry C Raxworthy
M von Rohr
A Whitwell
Margaret Dobson
J H Gardiner
Herbert S Ryland
T Y Baker