Nervus opticus sive tractatus theoricus in tres libros opticam, catoptricam, dioptricam distributus - in quibus radiorum â lumine, vel objecto per medium diaphanum processus, natura, proprietates, and (14570156020)

Identifier: nervusopticussiv00trab (find matches)

Title: Nervus opticus sive tractatus theoricus in tres libros opticam, catoptricam, dioptricam distributus : in quibus radiorum â lumine, vel objecto per medium diaphanum processus, natura, proprietates, & effectus, selectis, & rarioribus experientijs, figuris, demonstrationibusque exhibentur

Year: 1675 (1670s)

Authors: Traber, Zacharias, 1611-1679

Subjects: Vision Physiological optics Refraction Optics and Photonics Vision, Ocular

Publisher: Viennae Austriae : Typis Joannis Christophori Cosmerovij ...

Contributing Library: Francis A. Countway Library of Medicine

Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

Text Appearing Before Image:

uxi, uc breviori viaproporcio incra duas lences convexas haberi poflTic: & efl, uc fe habcc lon-gicudo concursus radiorum lencis remocioris duorum pedum, ad quinquecencefimas parces unius pedis romani. Ica lens 4. v:g: pedum longicudi-nis ad ro. parces cencefimas unius pedis, fivc, uc 2. ad j. ica^. ad 10. velpro longiori, flve remociori lence fex pedum: uc e. ad j» ica 6. & 15. 11-milicer prolence fepcem pedum : dicecur uc 2. ad 5. ica fepcem. Opera-tione fafta, provenienc 7. & §. & ica dc reliquis lencibus difcurrendo cu-jufcunque iongitudinis, proporciones remocioris convexje, & vicinioris^haberi pocerunc. Sl vero Icns concava cum convexa tubo inclufa fueric juxca princi-pia diopcrica deprehendi proporcionem lencis cavae, & convexa:, uc 16.ad I. five deinde finc digici, five pedes, vel quscunque menfura longitu-dinis concursus radiorum a Icnte convexa, ad unam hujufmodi parcenrL».lcncis concavas: ica longicudo leatis convexae 3. pedum , vel quod idemj eft

Text Appearing After Image:

LIB. IIL CAP. XIX. 189 eft 3^. digitorum ad longicudinem lencis concav.-e 2. dig. & §-. rimilicet:.ii forec convexi longicudo 48. digitorum, fiec uc 16. ad unum : ica^S! ad3. quamvis hxc proporcio non femper ica accurace fervanda eft, ut norL.experiencia; aliquid concedi podit; pr^fercim in longiflimis cubis, conca-va; lencis longicudo nonnihil minui poccrit-. PROPOSITIO III. Lentes cai)^ comjexis etiamproportionatis jmBa, non tamen inper.-pendiculari linea oppoft^j objeBormnJpecies nonjtncere repr^fentant. C>um lencium myfterium plurimum confiftac in pcrfeda, & fincera ra-j diorum refradione, non poterunc ab objedo cransfufa: fpecies perfe-^e kCc communicare; nifi lences perpendicularicer oppoficx fuerint: Re-praefentacio enim perfe£la concingit, per radios ab objedli fingulis pundisprocedences, fi per ucramque lencem refradi lineis redis in oculum ulci-mate cransferantur: fi vero lentes diftorte llbi mucuo oppofitas fuerint,radij a pundis objedi in primara lentem incide

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1675

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