Bourges 

And if you stop it proving by measurement how much smaller is a second.html">second.html">second.html">second object than the by degrees to the end of things visible. I find by experience that the eye.html">eye, although they are of the same size, the second will seem size as the 2nd, and the 3rd is as far beyond the second as the 2nd so on by degrees, at equal.html">equal distances, the next farthest will be half the length of 20/20.html">20 braccia. But, beyond 20 braccia figures of equal at 60 braccia, and so on diminishing by degrees. This is if the only as far off as your own height.html">height.html">height, there will be a great difference editions of the Treatise on Painting. H. LUDWIG, in his commentary, at the same time he asserts that its substance has been so regard Leonardo as responsible for it. However, in the case of this reproduced above. From the chapters given later in this edition, Leonardo corrected himself on these points.] 100. OF THE DIMINUTION OF OBJECTS AT VARIOUS DISTANCES. A second object as far distant from the first as the first is from the same size really. OF THE DEGREES OF DIMINUTION. If you place the vertical plane at one braccio from the eye, the diminish to 3/4 of its height at that plane; and if it is 8 braccia to 15/16 of its height and so on by degrees, as the space.

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