

Author: Angus-Leppan P. V.
Publisher: Maney Publishing
ISSN: 1752-2706
Source: Survey Review, Vol.16, Iss.122, 1961-10, pp. : 166-177
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Abstract
The use of a black bulb temperature as an indicator of refraction has already been noted. Fig. 9 shows how this temperature and the angle of refraction are proportional. The slope and the intercept of the line of best fit vary with different heights of observing station and target.
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