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Januahy 19, 1856.]
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Note: This text has been automatically extracted via Optical Character Recognition (OCR) software. The text has not been manually corrected and should not be relied on to be an accurate representation of the item.
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This Week The Edinburgh And Quarterly Ar...
ZZ" ^ *™^ «* P-i- enough to justify the you » g men proceeding in their efforts .
Januahy 19, 1856.]
Januahy 19 , 1856 . ]
THE LEADEE , 65
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^„___ ¦ — ———""¦"""" 3 ^^^*^ ' upon which fifteen figures have been engraven in a circular space of fourteen millimetres in diameter . These figures are not all visible to the naked eye . ( Dutens , 2 n CicSo makes ' mention of an Iliad of Homer written upon parchment , which was comprised in a nutshell . ( Pliny , Hist . Nat , lib . vu . cap . 21 . ) Pliny Ses that Myrmecides , a Milesian , executed in ivory a square figure _ i £ K flt « nv « red with its wiaK s . ( Pliny , ITwf . Nui . i hb . vu . cap . 21 . ; Blien ,
ARAGO'S POPULAR ASTRONOMY . POW « , ^ ™ . By Francois Arago Tjjmla ^^\^^^ % Tl Admiral W . H . Smyth and Robert Grant , Lsq . in i « Longmans . Thk magnificent edition of Avago ' s work . -h « bJ n ^ in course ^ publication by Messrs . Longman , is very » nl \ , /^ n 3 cnuence of some name usually issued . Each volume is under the ^ KS ^^ J ^ , We have eminent in the science of which it treats J ^ ™^ * Xl hy Admiral * " £ to
TTnleS it be maintained that the powers of vision of our ancestors Burpassed tW of the most skilful modern artists , which could he dispioved by a multitude of astronomical observations , these facts establish that the magnifying SoSertv of lemS was knovvn to the Greeks and Romans nearly two thousand S : rrt ^^ tri ^ r ^ rj irom in i
Astronomy " is known to every one ° ^ F £ "" Tot waning obtrude it is true , been somewhat sparing of their notes , not wisnm ^ silence themselves ; but their few rectifications are very serviceable , and then silence ^•• PJ ^^ writings . Popular it is , too much so in our judgment * ^* J" ^| 3 the conviction that , if Arago had thought less o ft he ladies < fciuTthe st up id hearers who crowded to his lectures , and had set himself to the tasj rt . * tfe » iatfc exposition of the science in P ^^^ LTan . ed Sough the produced a work of more substantial benefit . He J ^ V ^ fJ * % witb heavens and the literature of the heavens ; hehM «^^ i ^ i ^ l ^ l anecdotes and piquant facts , and conveyed a mass of inform »*™ £ j ££££ no one can find unintelligible ; but he has done ^ this . in jJ ^ J ^ J . ~ article-lil < e '' manner , not » ^ VJlfJ ^^^ S » tne science ^
these lenses , but of a longer focus , which vas extracted « xuxua « — - sssssa ISfIili # ASi § lor itxu —
general conception or , xu * «« ;• i ae + Wmnmibal tonics of the Science of Astronomy , but a series of articles on ^ XnTwho Si To the ordinary reader this will , perhaps , be its charm . To thosej Uicrmsh to see the scientific education of the mass furthered hy the vritwgs ot the great teachers , it will he a serious defect . on .: with a hook S It is , in some respects , a cyclopedia of astronomy . It begins ™* J °° * containing a succinct exposition of those geometncalnte wkch a e mdis pensahle for the rudimentary intelligence of astronomical Phenomena . Ihi * r . ¦¦ _ ¦ . i- i . ^ j , ™ a n , i . fn , *« nnupc . It . is followed by an equally
had been destined opT > . i '"'! ' ^ " ) - ° The ' book u very handsomely printed , and profusely illustrated . Though T ^ t ^^^^^^^^^^ ^ i ^^^^ Z ^ ' f ^ T ^^^ ^ X \ but English must be the medium . ,
succinct account of the principles of mechanics and horology , and b > one somewhat longer on optics , including telescopes . The - ™^^ jV ^ ^ J ?? £ fairly to begin ? The firstquestion which he enters , upon » the » K «« J «^ ^ 'Jj , - ' S / ar ^ - th f second , TAe Diurnal JMo < um ; the third TAe 4 ^ f »< ^ f ^ f £ feeS «»; the fourth , The Constellations ; the fifth , . ^ okaed Stars , the ^ sixth Sfi ^ ifa « a « ; the seventh , tfe 6 uta ; the eighth . ^ J ^^ * ninthf Tfce proper ilfof ions o / ie Stars ; the tenth , TAe Sun , the d « enth Ze ^ ce ? Z , W ; the twei th , Moto »« nte o / the Planets ; the ^ rteent i The Comets ; the fourteenth , Mercury ; the fifteenth , Venus , and for the ve . t Tve await volume tile second . ' . -n 1 ' win
i A "TG" IN THE CRIMEA .. : IMUe ** *& , «»* fT- ^^^^ Vaf . ^ cS S ^ T . SSC ^ ¦ ^ ja ^ w si ^^^ ffiassss iSSSS ^ S r ^^& tscV : 1 1 !_• .
The topics just enumerated in the order they here present ™ our , readers how unsystematic and how encyclopaedic the worlc is , ami a a specimen of the light agreeable way in which even the erudition of the subject is conveyed ? we may cite the following remarks forming the entne chapter entitled , ANCUENTS WBE ACQUAINTED WITH GLASS . « There are learned individuals who refuse to the ancients a knowledge ot magnifying 'lenses , and a fortiori that of refracting telescopes since , accorcbng to thStn , the Greeks and Romans had only very imperfect notions ^ respect to the fabrication of glass . I must hasten to expose the palpable fallacy or tins ^ iThafl ^ oT cit e here a passage from Aristophanes ( from which it is > plain ^ that globules of glass were sold at the shops of the grocers of Athens , in the time of that comic . author ) . My citationB will be more explicit , more precise , . if .., it * e * e POBSlble . ... ,. . . .. 11 ^ * nnntnininn- oifrllt . V tueatre ix
DO * « rb . e reSt is nought but leather and prunella . " wm & gffi that he has " ventured to tell the true story of the repulse at tne SL W adds in melodramatic accents , that if peace he made without , anothe i
, _ Pliny states that the immense [ vraa-myuwv ^ , ^" """"« = A" ' thousand person ^) erected at Rome by Scaxirus , son-in-law of Sylla , ^ J *^ Btories in height / and that the second of these stories was entirely inlaid with a m We read in the seventh book of the " Recognitions " of St Clement , that St Peter , having repaired to the Isle of Aradus , saw there a temple the columns ot which , all in glass , and of extraordinary magnitude , excited his admiration more than the beautiful statues of Phidias , with which the temple was Seneca , in his * ' Natural Questions , " speaks of phenomena of colour which are perceived when objects two viewed very obliquely through glass . According to Pliny , during the reign of Nero , vases of white glass wore used at table , winch rivalled in transparency cups of rock crystal , ti ' i ™ i vu , ^ , + i , of 4-ii *» /¦ . r » na *« 'iin + ;< - >« Q nf t . Vio flolestial BMicro wore w ^ jl \ i *—
| act of warfare " tliat shrewd and fortunate man , wapowou « c *» " » , » .-tg &^& ti & z nfrlr ^ z ^ iS . evidence with winch he tells a tiue stoij . " , . tl « w s . SpaSmodically on the 11 th of August ; leaving Grave endL m the W . : J
1 Aw Wl * O IIIJUU lillVrjO LIJUJIL ^ Um WUIC * U v v ^^ juiwwaa ** v *^** m ¦« . vm * , frequently traced about the samo time . Finally , fow auciebt tombs huTe boon opened without finding lachrymal urns termed iachrymatories . . , v , , Ptoleany in his "Optics" has inserted a table of tho refractions which light ' ¦ oxporionces under ditforont angles of incidence , in passing from air into glass . ? Tho values of those angles , which differ only in a slight dogroo from thoao obii tainod in tho preaent day by moans of similnr experiments , prove that tho glass ; of tho anoionts differed very littlo from that manufactured in our own times . \ Here also is ( another entire chapter : ¦— ' ¦ ' ; WERE THE ANtJIKNTS ACQUAINTKD WITH THE MAONHTVINO EFFECTS OP CURVED GLASS ? Tho question which I propose in tho title of this chapter may bo attacked and rosolvod in two different ways . Wo Bhall first exnmlno whether , among tho productions of tho industry and tho arts of ancient nations which liavo como down to us , thevo oxiat any which could not have boon executed without tho assistance of magnifying gluBBos . Certain passages oxtraotod from authentic eourcoH will servo to tost tho results of tho flrut investigation . Thoro iu in our Cabinet of Medals a seal said to have belonged to Miohaol Angola , the fabrication of which , it io said , aaoonds to a very romoto epooh , and
wmmmmm S £ S £ s » ^^^^^^^ junior emi do , and docs not find out h , h mwtoho x i ^^ ^ his bill . Voyages to Constantinople 2 « f tl 0 w liest or - ; . ^ J ^^ J ^^ ^^ itiXX ^ L ^ fsr rja ^ ^^^
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Citation
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Leader (1850-1860), Jan. 19, 1856, page 17, in the Nineteenth-Century Serials Edition (2008; 2018) ncse.ac.uk/periodicals/l/issues/cld_19011856/page/17/
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