Sacred Texts Age of Reason Index
VII. On the Proportions and on the Movements of the Human Figure Index
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If a man, in taking a jump from firm ground, can leap 3 braccia, and when he was taking his leap it were to recede 1/3 of a braccio, that would be taken off his former leap; and so if it were thrust forward 1/3 of a braccio, by how much would his leap be increased?