PAGI FOUR

THE SUMMER MICHIGAN DAILY

TUESDAY, AUGUST 7, 1928

________I

DAILY OF FICIAL BULLET IN
Publication in the Bulletin is constructive notice to all members
of the University. Copy received fat the office of the Summer Session
until 3:30 p. m. (11:30 a. m. Saturday).

NEW FOG -PIERCING CAMERA DEVELOPED BY ARMY

Volume VIII

TUESDAY, AUGUST 7 1928

No . 38

Examination Schedule:
The examinations to be given at the close of the eight weeks session
will be conducted in strict accordance with the schedule printed on page 33
of the Announcement of the Summer Session.
Edward . Kraus
Physics COlloquium :
Dr. Henry A. Burton of the Bartol Research Foundation of the Ffank-
lin Institute, Philadelphia, will speak on "Experimental Study of Ionization
in Certain Polar Gases." at 4:15 o'clock, today, in room 1041, East Physics
Building. All interested are cordially invited.
S. A. Goudsniit
Conference Group for Tuesday:
Dr. Berry will continue his discussion on Special Education at the
auditorium of the University High School at 4 p. m., speaking on "The
Service Clinic." In this discussion he will point out what the clinic will
attempt to accomplish and what educators can do to assist in the work.
Its results will be of vital importance to communities.
Arthur B. A[oehlman.

PSYCHOL GY ENLISTED
BY CHICAGO'S' POLICE
Classes Held At Chicago University
Offer Studies In Behavior
To Detectives
(By Associated Press)
CHICAGO, August 6.-Chicago po-
lice have enlisted *phychology to aid
them in their year-in, year-out war
on crime.
To supplement their night sticks,
pistols, hand-cuffs, show-ups and
knowledge gained by experience the
department has added a course in hu-
man behavior, including studies of
racial psychology and criminal ten-
dencies.
The classes are at the University
of Chicago.
Prof. L. D. White believes that if
a detective knows what strain pro-
duced "Lightfingered Harry" and
"Pineapple Pete," what inhibitions he
has and how, the two acted when
children he has a better chance of
putting the pair where their activities
will be circumscribed.
A. L. Dixon, assistant secretary to
the British home office, the head of
Scotland Yard, left at the Chicago
police school, where he lectured,
what Professor White considers an
axiom: "It is the crimes not commit-
ted rather than the crimes detected
that are the greatest proof of an ef-
fective police.'

Fog that obscures vision'is penetrated by a camera developed for aerial plhotoglrahhy by the United
States army air corps under the supervision of Capt. Albert W. Stevens (inset;. At the left is the
reproduction of a photograph taken under foggy conditions with an ordinary ultra-violet light camera
and at the right is a picture of the same view made with the new infra-red light camera.

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WORLD'S LARGEST DIRIGIBLE PLANS
TO FLY OVER NEW POLAR AIR ROUTE,
(By Associated Press) of 1929, one mast is to be erected at
LEIPSIC, Germany, August 6.- Nome and one in all likelihood at
Plans for an Arctic flight by the larg- Leningrad. The funds for these masts
est dirigibleyin the world, to blaze a ha already been supplied by the
Soviet government.
commercial air trail over the top of Russia is anxious to have the sec-
the earth, have been disclosed here ond mast erected in Leingrad, where
by Professor Ludwig Weickmann on ithis to serve other dirigibles as"well.
his return from a meeting of the This will lengthen the polar -route by
.e L600 miles, but as the Kutchino Insti-
tute near Moscow points out, the
The great Zeppelin L-Z-127, now Murman coast, where it was 'first
nearing completion ; at Friedrich- planned to erect the mast, is unfavor-
shafen, will make the polar trip says able in that the air currents there are
Professor Weickmann, after its forth- very strong.
coming maidefi flight to the United This problem of the second mast
States. It is two and one half times has, however, not been finally set-
the size of General Umberto Nobile's tled, Immediately after the conven-
ill-starred Italia. tion of the Arctic savants at Lenin-
He reported the opinion of the in- grad a committee headed by Nansen
ternational Aeroarctic convention to departed for the Murman coast to
be that the new world would soon be study conditions at first hand.
linked with the old world by regular While Russia has thus agreed to
air service between northern Europe furnish the masts, and Germany the.
and Alaska. He said that Dr. Hugo dirigible, other nations, including the
Eckener, builder of the Zeppelin, United States, have also promised
would act as Commander-in-chief on help. The Carnegie Institute has
U .-A - . _- volunteered to sunnly the funds for

(By Associated Press)
DAYTON, Ohio-Fog, which baffles.
and imperils aviators, has been con-1
quered by a camera developed in the
experimental photographic laborator-
ies of the United States Army airt
corps at Wright Field. j
The camera, perfected under the
'supervision of Capt. Albert W. Stevens
of the U. S. Air Corps, has proved
capable of piercing a heavy fog screen
which the human eye was powerless
to penetrate.
Captain Stevens also has developed
a camera which he is convinced will
photograph clearly and distinctly ob-1
jects from 200 to 250 miles distant.
Wright Field officials are seeking a
practical test for this camera.
The secret of the fog-piercing cam-
era. lies i-n its ability to photograph

by use of the longer light waves. A
filter in the lens cuts out all light
except the infra-red. Special film
sensitive to the infra-red- rays, long-
est of the light waves, is used.
Pictures were taken from the top
of a mountain first with the best or-
dinary camera. The photographs
'showed the ridge in the foreground,
visible to the naked eye, but nothing
was visible beyond the fog screen
that hung in the valley and hid other
ridges.
Other pictures taken from the same
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spot with the fog-piercing camera pro.-
duced a perfect likeness of the ridge
in the foreground, the valley and other
ridges in the distance, failing to show
any traces of the fog banko that hid
them.
Many improvements have been made
on the camera in the past four years.

11

OPEnunuuNllnnAunnLLtni1SUMMERlt,::: 111u1;11111,
Ever~ayfomS , m.to 1p~m
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1W
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SAUNER'SCANE LIERY I
On te HronRivr a th Fot o Cear t.r

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1.1

I 7


both trans-Atlantic and trans-polar'
flights, carrying out the magnetic investiga-
"The polar regions contain the key tions. Firms from various nations
to important occurrences in the at- have agreed to look to the provision-,
mosphere," Weichmann says. "The ing and the equipment of the expedi-

NOW THIS WEEK
Complete Change of Program Daily

Golf Hose

- - - ---

projected cruises of the LZ-127 are
therefore to supply definitive data,
about the circulation of polar cur-.
rents, their height and. temperatureI
and the points from which they bieak
forth, about magnetic phenomena at
the magnetic pole, and about the di-
vision of land and water inthe polar
regions. Such investigations are im-
portant not only for making possible
reliable weather predicitions, but also
for finding the proper bases for the
future inter-continental air service
via the polar regions."
Anchor masts will be necessary at?
various pivotal points in the far
north. For the Zeppelin expedition


tion, which is to consist of 15 scien-
tists and a crew of 35.
Numerous land bases are to be
placed at the service of the Zeppelin
explorers, says Professor Weickmann.
The Russian government has already
offered twelve bases 'with meteorog-
ical equipment and radio stations.
Similarly there are to be bases on
Spitzbergen, Greenland, Francis Jo-
seph and Nicholas II Land, Alaska
and Canada.
More than 25,000 citizens of the
Argentine are to be prosecuted for
failure to vote in the presidential
elections.

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