Ericsson, John, 1803-1889 · New York : Printed for the author at "The Nation" Press · leaf 148
eters are moved, by the parallactic mechanism, through a CUAP. VI. UNEQUAL RADIATION OF SOLAR 1)180. 119 distance of about 55 centimetres, from west to east. Theintensity of the radiant heat imparted to the actinometershas been recorded by the observers at the termination ofthe fourth, fifth,… … our attention. Fig. 6 re2:)resents the solar disc covered l)ya circular screen 145.25 millimetres in diameter, excludingthe rays excepting from a narrow zone, the mean width ofwhich is situated 49 from the border of the photosphere.Fig. 7 shows a screen excluding the solar rays exceptingfrom the…
