HUGE LENS AT
OBSERVATORY
PASADENA, Cal., July 9 (by Asso
ciated Press).—Scientists who at
tended the recent convention here of
the Pacific division of the American
Association for the Advancement of
Science announced their expectations
of important scientific discoveries
through the huge lens at the Mount
Wilson solar observatory, which they
assisted i?: formally opening.
Dr. George E. Hale, planner, founder
and builder of the institution, presided
at the formal ceremonies which
marked the culmination of nine years
of intense effort in the interest of sci
ence.
Edgar Lucien Larkin, director of the
Mount Lowe observatory, also near
here, has just made public an article
in which he has explained the great
work of Dr. Hale and the results other
scientists expect from it.
“Years of mathematical work,”
wrote Dr. Larkin, “computing and an
alyzing geometrical curvature of huge
mirrors and lenses, coelostats, revolv
ing mirrors, diffracting, grating, spec
toheliographs, spectographs, photo
meters, and a wilderness of electrical
apparatus beyond the imagination of
men fifteen years ago, astonish the be
holder beneath the great white dome
covering the 100-inch and the 60-inch
telescopes.”
The entire astronomical world, con
tinues Dr. Larkin, was startled when
Dr. Hale proposed a mirror having a
diameter of 100 inches. Making of
the 60-inch mirror had taxed the re
sources of the skill of man to date.
Someone said, “A 100-inch lens can not
be made.” But the larger mirror is
101 inches in light-gathering diam
eter. Dr. Larkin continues:
“The square of 60 is 3,600, and of
101, 10,201, the difference being a
measure of excess light secured with
which to form images of objects in
that priceless place—the ocal of a
concave mirror or convex lens.
“The discovery that light could
write on sensitive negative plates, the
new science of photography—light
writing—was one of the most valuable
ever made. This science has greatly
displaced visual astronomy.”
The work of making the lens pro
ceeded for two years, says Dr. Lar
kin, before it began to assume the
proper curvature. Finally the deli
cate polish was completed, and then
the process of depositing the pure sil
ver film on the face of the mirror be
gan. It was made in St. Gobain,
France. He continued:
“All scientific eyes were theoret
ically watching in nervous expectancy
the eventful day when the giant mir
ror began its ascent from the shops
in Pasadena to the summit of the
mountain. Every possible care had
been taken to avoid accidents. Early
in the morning the momentous jour
ney upwards over the steep roads be
gan, and continued until nightfall,
when the precious eye at last rested
in safety on the high summit.
“The curvature of the mirror is per
fect, well within the limits of the
lengths of the shortest ultra-ultra
violet energy waves that can be pro
duced in modern photography.
“Astronomers are watching the dis
coveries to be made in photography
of spiral nebulae. There may be
island universes, other congeries far
and away beyond the confines of our
universe of a billion suns within that
band of suns—the Milky Way. The
world is now looking to the observa
tory for photographs of thousands of
clusters of suns and thousands of neb
ulae, but the interest is centered on
the mysterious spirals. Photographs
of their spectra will be sent to all
other observatories, so that all may
know the composition of helium, hy
drogen and other elements in prime
val states of matter.”
NEW METHOD OF
BAFFLING HOLDUPS
Nels and Knut Turn Over Snuff
boxes When Told to
“Shell Out/’
Chicago.—It will be some time be
fore Nels Olsen and Knut Anderson,
descendants of the noble vikings, at
tempt to play another practical joke
on a pair of holdup men. First they
will have to recover from their par
oxysms of sneezing, superinduced by
an overapplication of Copenhagen
snuff. Nels and Knut are still ker
chewing and their eyes are red and
watery.
The Norsemen were guests of the
Svea hotel in Chicago avenue. They
Sneezes Rang Out on the Cold Night
Air.
were taking a stroll through the neigh
borhood at 2 o’clock in the morning,
and reached Orleans street, when two
bandits materialized from the shad
ows.
“Shell out,” ordered the robbers,
“and no monkey business, either.”
“Yeta, yeta; yeta. yeta,” replied
Nels.
“Yeta. yeta,” echoed Knut.
Both fished into their pockets and
brought forth silver boxes which they
Handed over to the bandits.
The latter opened them.
A moment later the windows of the
nearby buildings were shattered as
two brobdignagian sneezes rang out on
the cold night air.
“Ker-ehew ! Ker-ehew ! Ker-ker-ker
CHEW!
The Norsemen grinned.
“How you like it?” they asked.
The reply was a shower of snuff
over their own heads.
“How YOU like it?” asked the ban
dits.
“Ker-ehew ! Ker-chew ! Iver-ker-ker
UHFAY !” was the renlv,
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—...
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