PROGRESSU CHEMIÆ. to?
fplendorem fuutn aliqvandiu frigido licet vafe confer-
vans. Cujus didi fidem ut in medio relinqvo, ita fcio an-
te biennium,cum Romæin clivoScauri domus integra
per decern, &eo amplius fecula infra fcolymi & herba-
rum aliarum radices in horto civis cujusdam fepulta
erueretur , pulcherrimae illa fabricæ, & operis Corin-
thii, me inter rudera follicité urnulas ejusmodi lucer-
narum antiqvaruni qvæfivifle r fed incaffumj invenifle Vitrumin
tamen vafa lacrymalia plurima vitrei generis, qvæ diu- t .
turnitate temporum vifta in plures,easqve elegantifli-
mé pavonaceis coloribus diftindas philyras abierant, ?er vetu.
fimiles talco Mofcovitico [fi colores ciempferis] in fo-
lia non difficulter fitfiles/ale five vitrorum innato, five fatemcur
terreo,laminulas, qvod æqvaliter ubiq; premeret vici- *
na, procurante j qvibus jam feparatis ratio didat falem
in proximas vitri partes graffatum eandem exercuifle
tyrannidem, donec ita fenfim integra vitri mafia, cras-
failla initio>&adhuc qvibusdam locis crafla,in (qvatn-
mas exemptiles degeneraret j ut vel hinc colligatur fru-
ftra efle Anatomicos, qvi humorem oculi cryftallinum
ex laminis conflare afferunt, eo indudi qvöd coctura
præviå in philyras fe patiatur diduci«. Idem e;nim illi,
qvod vitris lacrytnalibus fatum eft, qvippe duni calor, iIuMor °'
ut qvi æqvaliter qvoq^ particulas fuas diffundit, primo euiorum
ad certam humoris illius cryftallini profunditatem fe
fe infinuat, earn cogit, denfatgj potentius $ poft fucce- tryftallt-
dente calore uovo repetito penetratur in cryftallinum al- nw non
tius, unde nova condenfatio, fed å priori,ob aliter dis-
pofitasparticulas,facilé feparanda: fimilia coäo ovi al- «W***
bumini Caepe contingunt. Sed hæc extra oleas. Ad rem laminis,
propius illud, aqvas caufticas[fortes vocant]efle veluti
O 5 lucer-