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# Title: Qua Continentur, Oratio Inauguralis. Mathesis Universalis; sive, Arithmeticum opus Integrum, tum Numerosam Arithmeticam tum Speciosam complectens. Adversus Meibomii, de Proportionibus Dialogum, Tractatus Elencticus (shelfmarks Leibn. Marg. 84:1, Stück 1; Leibn. Marg. 84:1)
# Folio 342, page id 826603459:0388
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De Recula Aurea.
Citt. 370
360, quos Boris peras. eradus 30: Adeoque, cum eadem aqua-
Billceleritace moum, tranlisar spacia cemporibus proporcio-
nalia; crit, alZlaclus 360. ad gradus 30:: ita rempushorarum
2.4. ad cempus quaelicum, nempe horarum 2, at ex ad un ea
operatione conabiE.
x. B.
30
BI
px
060 30.: 24. a- 2
30
360) 720 (2 = 8
360)720C2 = L
Horis icaque duabus (circicer) ad meridianum Actrenienlem
Sol citius perrenic, quam ad Oxonienlem; adeoque illorum
meridies est, nosro, duabushoris prior. Nempe illic, meridies
est, sire hora duodecima; dum hic, est decima. Adeoque ilHC
hora decima, dum hic octara eAt.
Terminaium Sivero continear, Homolososterminos, in quaestione pro-
per Reduch. Policos, non ejusdem (ut loguuneur) denominationis essez re-
onem praepa. ducendi prius erune termini ad denominationem, prius proce-
patdo
dacpeculiaris hujusce regulx praxis. Puca, Si proxonatur hu
julmodi quaectio; Posito, quod tres uncia arcenti valeant quindecim
solidos anelicanos, quanti valebunt arsenti pondo gnatuor? Cum hie
quatuor luxponancur cermini proporcionales, quorum duos
Dondus relxiciune; reliqui duo, ralorem; qui aurem pondus
respiciune, non eandem Cortianeur denominacionem, led de
unciis, ille; hios de libris leu pondo, pronunciat; Reducendi
Lunchiduo termini ad eandem denominacionem; priusquam
insticuacur praxis hac regula imperata. Adeoques vel, pro 3
unciis, substicuendum Z librae; Cquippe, cum libra concincane
duodecim uncias, emine, tresuneix, libex quadrans;) ue quae
Pio (c insticuatur; DI Z librae, ad a libras; sic 15 solidi, ad valo
rem quaescrum. Vel, pro 4 libris, substicuendum, 48 uncias;
quipre, cum libra concineat 12 uineias, 4 librae concinebunt
AX 12 = 48 unctaS,) uE quaectio BCinHIENaEUE, VI Z uheia, au
48 uneias; sie 23 solidi, ad valorem quaesrum. Ierovis tnodo, Pro
dibic ralor quaesirus, 240 Colidorum; hoc elt, 12 librarum mon
necx Anslican_. EE eX OpCratIONE PaTeF.
24.
oe