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WORLD'S LARGE TELESCOPES

.» in a i-"'cut- number of the 'Observatory' i Vr if. P. llollis gives a very interesting! list ot huge refractors and reflectors, .'-ither ! ic.der const ruction or already set up in (.hscrvpforics. The largest working objective is that of the Yerkes Observatory in Wisconsin, Of the refractors under constjtii.tion. the following nitty bo mentioned : \ ?<2in for tho Nicolaielf_ Ob.-c.f-vatorv. U-!=.~ia; a 26in for the I'nioii l.lb--st'rv:itor.. dohannesbur'. : t.-l see 24in wr the foilov, i;i_: observatories -\rgentinc Xational (ib-.;ivatoi'y (Gordon i). Chile National 'lbservatory (Santiago), and the "Detroit Observatory 'Mich., U.S.A.); and a 2'lin for tho Ch.'ibot Observatoty, Oakland. Cal. The Karl of Ross's 72in rcflertoi hc-lds the field for the largest rellector (metallic speculum), while Dr Common's 60in (silver on glass), now at- the Harvard Observatory, U.S.A., comes second. Of the reflector* tinder construction, two giant.? are in hand—namely, one of lOOin for the Mount Wilson Solar Observatory, and one of 22in for the Dominion Observatory, Canada. Ot hers under construction are a 40in for tho Siineis Observatory, Crimea; and two of 30in, one for the Helwan Obscivatory, Htrypt, and the other for Mr D'Ksterre's Observatory, Surrey, England. It is interesting io no'to that tho mini'x-r cf instruments' in each list is about the same—n.'iruelv, 38 refractors and 40 reflectors.

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https://paperspast.natlib.govt.nz/newspapers/ESD19141119.2.2

Bibliographic details

WORLD'S LARGE TELESCOPES, Evening Star, Issue 15654, 19 November 1914

Word Count
213

WORLD'S LARGE TELESCOPES Evening Star, Issue 15654, 19 November 1914

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