Daily tobacco leaf-chronicle. (Clarksville, Tenn.) 1890-1895, 1890-08-30
A MONSTER LENS
That Now Being Made for the
University Of California.
What New Discoveries viii Be
Made With 1t?

| AAtS IS Question Upon " htch am y Z
Illumination, o! Paris, Dwen1 to >one
UAt,rt Ccrjcctures Couccrnin@> ;hc
supposed Canals and Signal Light, on
Slar very valuable.
NEw YORK, Aug 20. Camille Fl4m
marion. cf rais, i'll special cable to
lhc iicrald says:
We are inst now traversing a greet
epoch In the history of science After
Remaining stationary during more thar
half q century. the science Of optics is at
present maLing great and majestic
strides forward. Three great tcle copes
MNc ttctntlv leen Successfully con
snuctcd tie like Cf which would have
seemed fantastic dream Of our prede.
cessors.
Three Great Telescopes
All three of them We're constructed in
jssN tle, Mt the observatory at Nice
has free cole enhR Of seventy-four cen.
timetre5, and length Of eighteen
metres, The second at the OLspI Vatoly
Of, 'uaIkuua, Russia, has the same
diameter ard Il somewhat smaller open
ing, which, by reason Of the character
Of the mounting, only measures seventy
"entimetrcs in little shorter focal dis
tancGand a length Of fifteen metres.
The third at the observatory on Mount
Hamilton, Cal, has for its objective a
lens with an opening of ninety seven
Cenumetres. These magnificent ihtru-
ments from the very fact Of their sue.
cesslul construction, have proved that
il sritces to be bold in order to sue ecd
,,,1 Il a1 lao q,
not lc satisfied with that which is posi-
bic, but go even further.
The Greatest of All
1t is hardly four wears since the in.
struments which we have spoken Of
were completed and already the op.
ticians me at work on Il lens greater
than all the three-a lens which will
have a diameter of more than one
metre. Tie lens Of the observatory on
Mount Hamilton measures thrty-,ix
inches or mue!y-one ceniincles Of
free aperture. Now a lens Of forty
inches. or one metre IN diameter is de
sired and is being constructed The oh
iccliyc j. composed. every one knows.
uf two lenses. one flint and the Other
crown GLASS iuxtaposed. and mutually
rCnule;irc each other bv their optic
llIODtlllC-, DIDuuClnR us perfect an
arcIrcmatism as is possible This oh.
ip,ti,e lens is being made for the Uni
yagaiy of Califo1nia and for the ohser.
yat,ry on Mount Wilson, not far from
Los Angeles where Mr.. Pickering ha.
recently obtained sor1e excellent photos
Of the moon. Saturn and the planet
Mar, emo one Of these LATTER a heavy
fan of snow is perceiyed, which cover ed
o,, 'be rIarct Mars an extent of surface
rs vasi as The area of the United
States
what WIN II neycaI2
"a ,,,,,. -, .,,,,1a,,.o,,d .,ot. ,,,,, -
;,,taIiion,'Hyo y ~ nrJ '' feaIi"~ VIII" i,' nNdor
,,i a., ,'''" of Ln,;t,
i,il III i,'t,,aot i, l,,, ,,.,,,
,, NV tfis W. nt-o ,;,rbt ~, hp - ;, 1a
i eI i,,i, .U w 'iii
,l, ,'osit;l,, of H. ,,,hn,, H.,
-, ~ a., ,,,.,-,, ;'d I
- "!,,',' ii' W 'io NJ, ilc,, 't'','
~ we ,i'.: - ~. P,', F,,
- :I ~ - ~ ''t''2 -. 10,
o., 'i'''s ,,'a ',,
,4t, 90 70 hi+o5 ,','u
~ 80! ,t, L,it 80
~ No..''iiei.'s' 7e,l9' e0''7i9, w Gay
i'Neioi 9iio"n, 81 H., ',,
HCHS an I"e eITo's P,,I PiIu''OSI y; " Se"sVii1
e" c1
rom Stas t? seas ant pu.,,nS mem
III COMM Ii'''ic''loh' u, i, mlISh @ I'm I'm 10 oe
taaji', II n!9 even ueel Inousn. 'l'3'
nllllI3I't loiil's, se9nieSiM"!iS nni9nslu
NV i l'cH Gl'scIVea WlioI IL may ue m
'CiH'U =, ~ SISnaiS IRON 'ii't !,i9heI 70
ours, nov men, rs " i'SSipie no.
'' WISH to colllpl',Ie lie 'onIuGsl
"na alla'" III u. i&sI 10 tnS aoi'l'lol ol the
enigma: Wen, now 'na' i al onJtcliNe
I'H. OIL ioity llcueS " pe Odst 'i''