[581.] BL, BM:: J, 3R,

[582.] Experimentum 2.

[583.] Experimentum 3.

[584.] CAPUT XXII. De tenuium Laminarum Coloribus.

[585.] Experimentum 1.

[586.] Experimentum 2.

[587.] Experimentum 3.

[588.] Experimentum 4.

[589.] Experimentum 5.

[590.] Definitio

[591.] CAPUT XXIII. De Corporum naturalium Coloribus.

[592.] Experimentum 1.

[593.] Experimentum 2.

[594.] Experimentum 3.

[595.] Experimentum 4.

[596.] Experimentum 5.

[597.] FINIS LIBRI TERTII.

[598.] PHYSICES ELEMENTA MATHEMATICA, EXPERIMENTIS CONFIRMATA. LIBER IV. Pars I. De Mundi Syſtemate. CAPUT I. Idea Generalis Syſtematis Planetarii.

[599.] Definitio I.

[600.] Definitio 3.

[601.] Definitio 4.

[602.] Definitio 5.

[603.] Definitio 6.

[604.] Definitio 7.

[605.] Definitio 8.

[606.] Definitio 9.

[607.] Definitio 10.

[608.] Definitio 11.

[609.] Definitio 12.

[610.] Definitio 13.