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ECLIPSES OF JUPITER'S SATELLITES, P. S. T.

(Off right-hand limb, as seen in an inverting telescope.)

9 49

9 9 A. M.

4 26 P.M.

II 43 P.M.

831

3 48

I I 5

3 10

IO 27

232

[blocks in formation]
[blocks in formation]

Ego, GALILEUS GALILEI, filius quondam VINCENTII GALILEI, Florentinus, aetatis meae Annorum 70, constitutus personaliter in judicio, & genuflexus coram vobis Eminentissimis, & Reverendissimis Dominis Cardinalibus universae Christianae Reipublicae contra haereticam pravitatem generalibus Inquisitoribus, habens ante oculos meos sacro sancta Evangelia, quae tango propriis manibus, juro me semper credidisse, & nunc credere, & Deo adjuvante in posterum crediturum omne id, quod tenet, praedicat, & docet S. Catholica, & Apostolica Romana Ecclesia. Sed quia ab hoc S. Officio, eo quod postquam mihi cum praecepto fuerat ab eodem juridice injunctum, ut omnino defererem falsam opinionem, quae tenet Solem esse centrum, nec moveri, nec possem tenere, defendere aut docere quovis modo, vel scripto praedictam falsam doctrinam : & postquam mihi notificatum fuerat praedictam doctrinam repugnantem esse Sacrae Scripturae; scripsi, & typis mandavi librum, in quo eandem doctrinam jam. damnatam tracto, & adduco rationes cum magna efficacia in favorem ipsius, non afferendo ullam solutionem; idcirco judicatus sum vehementer suspectus de haeresi, videlicet, quod tenuerim, & crediderim Solem esse centrum Mundi, & immobilem, & terram non esse centrum, ac moveri.

Idcirco volens ego eximere a mentibus Eminentiarum Vestrarum, & cujuscunque Christiani Catholici vehementem hanc suspicionem adversum me jure conceptam, corde sincero, & fide non ficta abjuro, maledico, & detestor supradictos errores, & haereses, & generaliter quemcunque alium errorem, & sectam contrariam supradictae S. Ecclesiae, & juro me in posterum nunquam amplius dicturum, aut asserturum voce, aut scripto quidquam, propter quod possit haberi de me similis suspicio; sed si cognovero aliquem haereticum, aut suspectum de haeresi, denuntiaturum illum huic S. Officio, aut Inquisitori, & Ordinario loci, in quo fuero. Juro insuper ac promitto, me impleturum,

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& observaturum integre omnes poenitentias, quae mihi impositae sunt, aut imponentur ab hoc S. Officio. Quod si contingat me aliquibus ex dictis meis prom.issionibus, protestationibus, & juramentis (quod Deus avertat) contraire, subjicio me omnibus poenis, ac suppliciis, quae a Sacris Canonibus, & aliis Constitutionibus generalibus, & particularibus contra hujusmodi delinquentes statuta, & promulgata fuerunt: Sic me Deus adjuvet, & Sancta ipsius Evangelia, quae tango propriis

manibus.

Ego, GALILEUS GALILEI, supradictus abjuravi, juravi, promisi, & me obligavi ut supra, & in horum fidem mea propria manu subscripsi praesenti chirographo meae abjurationis, & recitavi de verbo ad verbum.

Romae in Conventu Minervae, hac die 22. Junii Anni 1633.. Ego, GALILEUS GALILEI, abjuravi ut supra manu propria.

THE WASHBURN OBSERVATORY.

By George C. COMSTOCK, Director.

The University of Wisconsin owes to the late Governor C. C. WASHBURN the astronomical observatory which bears his name, but the original gift has been largely supplemented by both public and private munificence.

The observatory, as originally built in 1878, consisted of a dome, a centre hall, and two rooms, one east, the other west of the dome. To these were added, at the instance of the first Director, the late Professor J. C. WATSON, an east wing, connected to the original building by a corridor. The accompanying woodcut shows the building as seen from the east; the west room which contains the meridian-circle being entirely hidden. In the foreground to the right, is the Students' Observatory containing the six-inch CLARK equatorial, aperture 152 mm, with which much of the early double-star work of Professor S. W. BURNHAM was done, and an admirable broken transit of 76mm aperture, by BAMBERG, which is the finest instrument of its type I have ever seen. In the extreme left of the cut is seen the roof of the Solar Observatory, constructed at his own expense by Professor WATSON, and destined for the reception of an underground telescope to be used in a search for intra-mercurial planets.

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