Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 128
that isneeded to show how this isdone is a lighted lamp on atable and an apple with aknitting needle through itscenter. Let the flame ofthe lamp represent the Sun,your head the Earth andthe apple the Moon. Hold the apple by the knitting needle in a line between youreyes and the flame and turn round… … Fig. 119.—Eclipse of the Moon by the Earth (Experiment). 108 THE BOOK OF THE STARS This is just what happens when the Earth gets between theSun and the Moon and all these bodies are in a straight line,
Astronomy · Stars
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![An illustration from Cosmographia in qvatvor libros distribvta summo ordine, miraqve facilitate, ac breuitate ad magnam Ptolemæi mathematicam constructionem, ad vniuersamque astrologiam institutens. Francisco Barocio ... avtore. Cum præfatione eiusdem autoris, in qua perfecta quidem astrologiæ diuisio, & enarratio autorum illustrium, & voluminum ab eis conscriptorum in singulis astrologiæ partibus habetur: Joannis de Sacrobosco verò 84 errores, et alij permulti suorum expositorum, & sectatorum ostenduntur. rationibusq[uam] redarguuntur. Præcesserunt etiam quædam communia mathematica, necnon arithmetica, & geometrica principia, nonnullæq[uam] propositiones, de quibus in toto opere sæpe fit mentio: ac demum locupletissimus index eorum, quæ ipsa Cosmographia continentur .. (1585)](https://img.insideoutlibrary.com/img/200/ia-cosmographiainqv00baro-469-124.webp)
