Overview Level of Folio 55 r

 Size Height 198 mm, width 135 mm. Watermark Pilgrim. Drake's identification: Watermark type 21a. Drake's description: Pilgrim in 40mm circle, crown above. Watermark found in 1622-31. Found in manuscripts 1626-30 (notes for Dialogue). Comments Written by Galileo; contains text, drawings, table, calculation. Relation to the Discorsi: elaboration of 2/37-pr-15.
Folio 55 r (final text)
1 Quaeritur in ac pars aequalis ab, quae conficiatur tempore aequali tempori per ab. Ponatur ad aequalis ab, et circa ac semicirculus describatur, et ponatur af aequalis dimidiae dc, et ab f demittatur perpendicularis fe, et eg ponatur aequalis ab: dico, eg ex quiete in a confici eodem tempore ac ab, med[i]a proportionalis inter ca, ag.
C01 (40 * 40) : 140
40 * 40 = 1600
1600 : 140 = 11 3/7
C02 60 + 11 1/2 = 71 1/2
C03 60 * 41 2/3 = 2500
C04 2460 + 40 = 2500
sqrt 2500 = 50
C05 (20 * 20) : 60
20 * 20 = 400
400 : 60 = 6 2/3
60 * 46 2/3 = 2760 + 40 = 2800
sqrt 2800 = 52 [53?]
C06 25 * 25 = 625
C07 100 * 56 1/4 = 5600 + 25 = 5625
sqrt 5625 = 75
C08 140 * 71 1/2 = 140 + 9800 + 70 = 10010
sqrt 10010 = 100
C09 (28 1/2 * 28 1/2) : 100
C10 784 + 18 = 802
C11 ac 16
cd 5
C12
 ac 60 100 140 ad 40 50 60? ci id af 10 25 40 1 2/3 ae dg 67? 2/3 6 1/4 11 3/7 ga 46 2/3 56 1/4 ai 52 1/2 75 ci 7 1/2

 Overview Level of Folio 55 r