341 ON COLOURING. matic colours, red, blue, and yellow, are united, consonant with the system of the rainbow, by orange, green, and purple ; and all are graduated from the centre outwards, that is, from their utmost intensity, to the faintest tint approaching to white ; and those tints are marked… … Green By the central part of the diagram it appears, very clearly, that the union of the three primi- z 3
Painting · Painting, British · Composition (Art)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![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-381-100.webp)
