Overview Level of Folio 74 v

 Size Height 200 mm, width 140 mm. Comments Written by Galileo; contains calculations, text, drawing. Relation to the Discorsi: incomplete draft (statement) of 2/34-pr-13.
 Folio 74 v (final text) 1A Propositio. 1B Dato plano inclinato et perpendiculo, quorum eadem sit elevatio, punctum sublime in perpendiculo extenso reperire, ex quo mobile decidens, et per planum inclinatum conversum, utrumque conficiat tempore eodem ac solum planum inclinatum ex quiete in eius superiori termino. C01 29 + 18 = 47 C02 122 * 35 = 610 + 366[0] = 4270 sqrt 4270 = 65 C03 113 * 27 = 791 + 226[0] = 3051 sqrt 3051 = 55 C04 101 * 14 = 404 + 101[0] = 1414 sqrt 1414 = 37 C05 36 + 84 = 120 (42 * 49) : 120 42 * 49 = 2058 2058 : 120 = 17 C06 tempus per abc 97 117 - 60 = 47 C07 49 * 29 = 441 + 98[0] = [1421] C08 sqrt 1421 = 37 1/3 C09 137 * 100 = 13700 sqrt 13700 = 117 6/12 C10 (42 * 42) : 49 42 * 42 = 1764 1764 : 49 = 36 C11 C12 70 * 25 = 1750 sqrt 1750 = 42 C13 (72 * 72) : 51 72 * 72 = 5184 5184 : 51 = 101 C14 (71 1/2 * 71 1/2) : 50 1/2 71 1/2 * 71 1/2 = 5041 + 71 = 5112 5112 : 50 1/2 = 10224 : 101 10224 : 101 = 101 C15 49 * 19 = 931 sqrt 931 = 30 C16 49 + 18 1/2 = 392 + 495 + 20 = 907 sqrt 907 = 30 C17 (48 * 48) : 70 48 * 48 = 2304 2304 : 70 = 33 C18 (31 * : 100 (31 * 70) : 31 31 * 70 = 2170 2170 : 131 = 16 C19 ac 49 ab 42 bn 36

 Overview Level of Folio 74 v