Apian, Petrus, Instrvmentvm Sinvvm, sev primi mobilis

Table of contents

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[21.] PRONVNCIATVM IX.
[22.] PRONVNCIATVM X.
[23.] PRONVNCIATVM XI.
[24.] PRONVNCIATVM XII.
[25.] PRONVNCIATVM XIII.
[26.] PRONVNCIATVM XIIII.
[27.] PRONVNCIATVM XV.
[28.] PRONVNCIATVM XVI.
[29.] PRONVNCIATVM XVII.
[30.] PRONVNCIATVM XVIII.
[31.] PRONVNCIATVM XIX.
[32.] PRONVNCIATVM XX.
[33.] PRONVNCIATVM XXI.
[34.] PRONVNCIATVM XXII.
[35.] PRONVNCIATVM XXIII.
[36.] PRONVNCIATVM XXIIII.
[37.] PRONVNCIATVM XXV.
[38.] PRONVNCIATVM XXVI.
[39.] PRONVNCIATVM XXVII.
[40.] PRONVNCIATVM XXVIII.
[41.] PRONVNCIATVM XXIX.
[42.] PRONVNCIATVM XXX.
[43.] PRONVNCIATVM XXXI.
[44.] PRONVNCIATVM XXXII.
[45.] PRONVNCIATVM XXXIII.
[46.] PRONVNCIATVM XXXIIII.
[47.] PRONVNCIATVM XXXV.
[48.] PRONVNCIATVM XXXVI.
[49.] PRONVNCIATVM XXXVII.
[50.] PRONVNCIATVM XXXVIII.
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page |< < of 97 > >|
28GENVINVS VSVS nemus in puncto I. Ita uia ſiue ingreſſu duplici idem nobis repertum eſt, lateraliter ta-
men
, unde etiam illud patuit, quod citra diſcrimen lateraliter operanti numerus minor
accipi
queat, tam in diametro AB, quàm in limbo BC, ubi ſi minor numerus è diame
11Latcralis
ingreſſus
cur ita nomi
natus.
tro mutuatur, tum maior erat ex arcu ſumendus:
maiore numero accepto è diametro, mi
nor
in arcu BC legendus.
Lateralis autẽ ideo uocatur, quia utri numeri in quadrã
tis
lateribus inueſtigentur, non autẽ in area.
Arealis uero ingreſſus eſtis, quando nu-
merus
cognitus in area quadrantis ſumitur, qui idem generaliter quo &
perpetuo mi
nor
eſſe debet, alius autem, hoc eſt, maior, ſiue in diametro ſiue in limbo pro agentis arbi
22Arealis ꝗd
& cur ita
nuncupatus
trio.
? ? Exempli cauſſa: Numeri ſint duo, 30 gradus & 20, quibus areatim ingredi ue
lis
, 20 ergo numerus minor cum ſit, neceſſum eſt, ut in area requiratur, 30 uero ſi in
diametro
AB (cuiuſmodi in figura quarta ſequenti per literam E docetur) capiuntur,
30
unione´ exprimuntur, &
filum denuo ab A uerſus C promouetur, donec unio 20 a-
reæ
gradum, id eſt, 20 lineam à diametro AC diſsitam teneat, tum ſecari à filo gradus
43
.
minut. 10. conſpiciuntur, id quod in quarta figura punctum F arguit, hic autem eſt
numerus
lateralis alter, quem quærebas.
Potes uiciſsim lateralem notum ueluti gradus
30
in limbo requirere (ſicuti figura quinta per G punctum inſinuat, filum´ eo dirigere,
quo
directo ſi margaritam in 20 gradum areæ figis, iterum´ filum diametro AB in-
tendis
, cernis ab unione ſimiliter gradus 43.
mi. 10. in pũcto D, ut antea oſtẽdi. Is autem
lateralis
ſecundus eſt, antea incognitus, ueluti habetur palam in figura quinta.
Sed quæ
per
ſecundam, tertiam, quartam &
quintam figuras docuimus, illa manifeſtius adhuc
per
ſextam diſces.

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