sung in four parts; each singer singing the whole round. Therefore I here make a wheel with 4 teeth so that each tooth takes by itself the part of a singer.
[Footnote: In the original there are some more sketches, to which the text, from line 6, refers. They are studies for a contrivance exactly like the cylinder in our musical boxes.]
1131.
Of decorations.
White and sky-blue cloths, woven in checks to make a decoration.
Cloths with the threads drawn at a b c d e f g h i k, to go round the decoration.
XIX.
Philosophical Maxims. Morals. Polemics and Speculations.
Vasari indulges in severe strictures on Leonardo's religious views. He speaks, among other things, of his "capricci nel filosofar delle cose naturali" and says on this point: "Per il che fece nell'animo un