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# Title: [Physica, Id Est, Scientia Rerum Corporearum, In Decem Tractatus Distributa] Physica, Id Est, Scientia Rervm Corporearvm, In Decem Tractatvs Distribvta (shelfmarks Leibn. Marg. 7:3-4; ZEN Leibn. Marg. 7:3-4)
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PAYSICE TRACT. VII:
virreas, in longius rostrum abeun.
ces, quo scisto, vel Fracto, in mi-
nurissimum puluerem illae abeune,
de iisrract. 1. sub finem, actum eAt;
icemque in 3. Dialogoru parce, icem
de vitri censione, raresactione, con-
denlarione in 1. Dialos. Sed de viero
haec linc laris.
PROD. L. XIX.
D. E. B EF V M. I HF.
Nacura  proprictares bicuminis
explicantur. Iloc rnum Cuperelt ex
plicandum.
r. Bicuminis, ve variae species,
iea diverta nomina esse constat; di-
citur enim Carbo Fossilis, Gag2tes,
Camphioca, Succinum; lapis Thra-
cius, Naphra, Perroleum, Asphal-
eum, eec. aliud liquidum cAt, de
lentum, aliud concrerum, de du-
rum; omnem colorem pexetere, ni-
srum, album. Aauum; nodo aquis
innacar; modo ex propriis laricibus
Auic; modo in lacubus, modo in
puceis inuenicur; immo aliquando
adinstar Aii eA; ex agnis, vel ex
cerra, vel ex orena, vel ex lapide,
vel ex aliis mixris biruminolis edu-
cicur; in his nulla est difficultas.
2. Mulco ione constar, humo-
de medioeri, modica terra; concre-
cum concrescie ex liquido; tum
vi caloris, tum etiam frigoris vis
Analogiam hiabes in picc: dixi mo-
dica terra; quia licet GagatCs, de
carbo. fostilis mulcam cerram ha-
beane, ve vel iplum pondus relta-
rur, illa camen cerrestris porrio cAt
hecerogenea bicumini; sicue lapis,
mecallo; cum enim bicumen torum
aedeat, ec in auras auoler; modica
constare, cum vel liquescat, vel ab
iplo oreu in Cacu liquido (E; mul
cum aucem humorem, inesse, dici.
non porest, alioquin non cam cito,
nec. cam Facile accenderetur.
3. Naphea est bicuminis liquidi.
Species, quae tam Facile accenditui,
re ignem non procul admorum ad.
Ce trahere dicatur; non quod reue
ea crahae, sed quod vileolum hali-
eum, insensibili eMurio, emmietat, qui
Facile concipie ignem; ita recon.
rinua accentione, ve hc in pulueris
cractu, ionis eriam ad Napheam.
perueniar; arder aurem bicumen.
etiam in mediis aquis, propter rena-
ciratem, qua ab aqua rinci, vel lu-
bigi non porest, immo carboni FoI-
sili humor aspergicur, ve melius ae-
deac, nempe humor aspectus, calo-
eis vi alium humorem cducie, de
cum humoreignem; hinc tempore
pluvio bicuminolae FCTEX aCCeM(X.
imagis aedent.
4. Bicumen candidum dulce cAt;
Rauum, armarum; niorum amarissi
mumitioc quidem proprer admixra
Fuliginem, e parres Ariacas maio
Tes, qua Caporem amarum conci-
lianc, e niorum colorem; album
vero dulce eAt, quia vel magis co-
ctum X detaecatum, vel sphaerulis
Icu corpusculis laeuioribus constats
Analogiam habes in bucrro, lactes
Xc. quod perrinet ad amarieudi-
nem Aaui; analogiam habes in bi-
Le Aaua; odor quoque rarius cA,
albi iucundus, nigei veco ingraris
limus, proprer camdem rarionem;
hinc perroleum aded Foerec, ve Ker-
cus diaboli rulgo appelletur; AC
eriam carbo Fossilis, ubi aedee,
icemque Bagaces, terrum SpiraE
cerre cerra illud constare necesse odorem, quia bicumenniorum in
est; dixi eriam medioers humore est; luecinum camen ruls d ambras
Quara:
2.IC