The Atlantic Codex (Unknown) - Page 3

⚠The manuscript is written in Leonardo da Vinci's characteristic mirror script (right-to-left). The image is somewhat faded in areas, and the handwriting is highly specialized 15th-century Tuscan.

This note explores the relationship between length and strength. To know how much weight a cord can support when pulled straight?, and whether it would be the same if it were two? braccia A Florentine "braccio" or "arm" was a unit of length approximately 58 centimeters or 23 inches. or four? in length. If one had to test the strength of iron or of another metal drawn into wire, make sure that the vessel is perfectly pierced original: "buso"; meaning a hole has been bored through the bottom. at the bottom and that a thin pin closes? it...

sketches of mechanical linkages and tensioning systems

Method of testing the strength of iron wires of various thicknesses. It is done? in this way: one attaches the wire above to a fixed support? and below one hangs a large vessel... Leonardo is describing a tensile test where sand or water is slowly added to a bucket until the wire snaps.

This? motion? is? along? an? equal? line?.