1405.
24 tavole make 1 perch. 4 trabochi make 1 tavola. 4 braccia and a half make a trabocco. A perch contains 1936 square braccia, or 1944.
I.2 70b]
1406.
The road of Messer Mariolo is 13 1/4 braccia wide; the House of Evangelista is 75.
It enters 7'/2 braccia in the house of Mariolo. [Footnote: On this page and that which faces it, MS.I2 7la, are two diagrams with numerous reference numbers, evidently relating to the measurements of a street.]
I.2 72b]
1407.
I ask at what part of its curved motion the moving cause will leave the thing moved and moveable.
Speak to Pietro Monti of these methods of throwing spears.