1partium 22937790.44152,
quæ eſt Secans
gr.89.m.45.ſec.o.Ter.43. Quar. 53. &c.
hoc eſt anguli ISC: atque adeò eius comple
mentum SCI erit gr.o.m.14.ſec.59. Ter.
16. Quar. 7. quem metitur arcus OK ſtad.
150. Fiat demùm vt arcus OK inuentus
ſcrupulorum Quart. 3237367 ad ſtadia 150,
ita totius circuli ambitus ſcrupulorum Quart.
4665600000. ad ſtadia 216175 (67/100), hoc eſt,
neglectâ fractione, milliaria Rom. antiquą
25941. Quapropter ſingulis gradibus mill.
Rom. 72. paſſ.58 reſpondent.
gr.89.m.45.ſec.o.Ter.43. Quar. 53. &c.
hoc eſt anguli ISC: atque adeò eius comple
mentum SCI erit gr.o.m.14.ſec.59. Ter.
16. Quar. 7. quem metitur arcus OK ſtad.
150. Fiat demùm vt arcus OK inuentus
ſcrupulorum Quart. 3237367 ad ſtadia 150,
ita totius circuli ambitus ſcrupulorum Quart.
4665600000. ad ſtadia 216175 (67/100), hoc eſt,
neglectâ fractione, milliaria Rom. antiquą
25941. Quapropter ſingulis gradibus mill.
Rom. 72. paſſ.58 reſpondent.
ita mill. 25941. ad mill. 8253 (21/22), habetur
diameter proximè minor verâ; & ſi fiat vt
223 ad 71 ita mill. 25941. ad mill. 8259 (54/223),
diametrum verâ proximè maiorem reperi
mus: & electo medio Arithmetico rectè ſta
tuitur terræ diameter mill. Rom. ant. 8255.
paſſ 644, ideòque ſemidiameter mill. 4127.
paſſ. 822. Quod ſi libeat exactiùs operari,
quoniam circuli diametro poſitâ 1, perime
ter polygoni laterum 2560 circulo circum
ſcripti minor eſt quàm 3 (14160/100000), perimeter ve
rò inſcripti maior eſt quàm 3 (14159/100000); fiat pri
mò vt 3. 14160. ad 1, ita mill. 25941 ad
mill.8257.paſſ.257, quæ eſt diameter mi-