Brocklesby, John, 1811-1889. [from old catalog] · New York, Sheldon and company · leaf 139
7. In figure 42, we represent the sun by thecircle S, half the suns diameter by the line SB, the earthby the circle E, and the distance of the centre of the What is the subject of Part Second ? What of Chapter I ? What is said of thesun ? What form does it present when viewed through colored… … THE SUN. 127 earth from the centre of the sun by the line ES, whichis the hypothenuse of the right angled triangle SEB.1 228. We next take them from the trigonometricaltables the values of the sides of a triangle similar to SEB.LetSEBfig- riGS42and43. ure43,be sucha triangle, inwhich the an-gle…
Astronomy
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