Overview Level of Folio 117 v

 Size Height 301 mm, width 208 mm. Watermark Crown, form 1. Drake's identification: Watermark type C12. Drake's description: Mountains 18 X 18mm. Date of earliest letter with this watermark is August 1607. Comments The folio is part of a larger sheet of paper combining the folios 116 and 117 . Contains calculations, table, drawing. Relation to the Discorsi: work on theorem of equivalence. References Drake 1978 132; Renn 1990 82, 100; Renn 1988 210, 218
 Folio 117 v (final text) C01 sqrt 2000 = 44 64/88 64/88 = 8/11 C02 89 5/11 * 89 5/11 = 984/11 * 984/11 984 * 984 = 3936 + 7872[0] + 8856[00] = 968256 968256 : 121 = 8002 C03 120 * 120 = 14400 + 8002 = 22402 sqrt 22402 = 151 101/302 (151 1/3 * 100) : 120 15100 + 33 = 15133 15133 : 120 = 126 13/120 C04 44 8/11 * 44 8/11 = 492/11 * 492/11 11 * 11 = 11 + 11[0] [= 121] 492 * 492 = 984 + 4428[0] + 1968[00] = 242064 242064 : 121 = 2000 64/121 C05 151 1/3 * 126 1/10 = 906 + 2[0] + 3015 + 15142 = 19083 sqrt 19083 = 138 59/276 C06 20[0] + 8[0] + 9[0] + 131 + 16[0] + 11 = 672 C07 84[0] - 67[7] = 163 C08 ab 100 tempo bc 20 tempo 44 8/11 ce 89 5/11 ac 120 tempo 144 8/11 [rectangulum] ce 8002 [rectangulum] ca 14411 ae 151 1/3 suo tempo 158 af 126 13/120 C09 ab 40 bs 12

 Overview Level of Folio 117 v