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April 03, 1940 - Image 8

Resource type:
The Michigan Daily, 1940-04-03

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... ............ . ......... ... . .... ...... ...... .

Trade Meeting
Will Consider
State Barriers
Sessions Of Conference
Will Include Speeches
By Truitt And Ruthven ,
Consideration of the pros and cons
of trade barriers will feature the in-"
itial session of tne two-day Confer-
ence of Trade and Industrial Secre-
taries which will open under the
joint sponsorship of the Ann Arbor
Chamber of Commerce, the Exten-
sion Service and the School of Busi-
ness Administration Friday, April 19,
in the Union.
Paul T. Truitt, chairman of the
Interdepartment Committee on In-
terstate Trade Barriers, will discuss
the question from the interstate point
of view. His talk will be followed by
considerations of "Michigan's Stake
in Interstate Commerce" and "LegalI
Aspects of Interstate Barriers" by
Profs. Edgar H. Gault and E. S. Wol-
aver, respectively, both of the School
of Business Administration.
President Ruthven will address the
delegates at a luncheon meeting to
be held in the Union. He will be"
introduced by Ira M. Smith, registrar
of the University and president of'
the Chamber of Commerce, while
Arthur E. Raab, chairman of the
State Labor Mediation Board, will'
interpret the functions and compo-
sition, of the Board at the second ses-
sion of the Conference.
"Federal Labor Legislation" will be
the topic of the second day of the
Conference. C. W. Otto, secretary-
manager of the Lansing Chamber of
Commerce, will preside, and Albert
E. Meder, attorney for the MVichigan
Manufacturers Associations, w il l
speak on the Wagner Act at 10 p.m.
in the Union gr.
Swiss Near Mobilization

Citizenry Aids
Becaufe of the interest of Pres-
ident Ruthvent and local citizens in
he problem of helping children to1
eec:me better adjusted, the Ann Ar-
.r Children's Service has been able
o aid the normal development of'
many maladjusted personality cases.
In 1931, President Ruthven helped
'o form a treatment and planning
conmnittee in conjunction with the
scciclcgy and psychology depart-
mcnt= end the School of Education
to guide boys with behavior diffi-
culties. The committee, under the
direction of George Alder, was given
a grant in 1935 from the Rackham
Fund for a Social Research Project,
originally summer camp work, and
later a year-round follow-up of the
select group of boys. The project,
which was in existence three years,
was supported during the last two
by an Ann Arbor family, which pre-
ferred to remain anonymous.
The project came to a close in
1938 and was such a success that
a group of persons in the community
met to discuss a future for this type
of service for Ann Arbor. The pres-
ent Children's Service Bureau was
the result. Under the direction of
Gilbert Anderson, the Bureau, lo-
cated at Perry School, has been en-
larged to include girls and is now
entirely a service group, without any
research involved.
Graduate Education Club
To Hear Sellars, Curtis
Prof. W. R. Sellars of the philosoply
department will speak on "The Philo-
sophy of John Dewey" at the meeting
of the Graduate Education Club at
4 p.m. today in the graduate library
of the University Elementary School.
As a second feature of the program

These Areas Form Soviet's 12th Republic
r-a - 3 -- II% 11


Sailplane Ace
To Test New

Prof. Van den Broek Proposes
Substitute limit Design' Plan

"~W~aLEMlNG'R A D',r,:z''

1I 1


Link Trainer I By KARL KESSLER
Charging the inadequacy of tradi-
~ tional theories of structural design
Ted Bellak, who made the head- in representing the problems involved
lines last year by flying a glider in large-scale construction work, Prof.
across Lake Michigan, will come to John A. Van den Broek of the en-
Ann Arbor soon in order to pit his gineering mechanics department pro-
flying skill against the Link Trainer poses a substitute theory of "limit
recently installed here. design" as more accurately describ-,
Bellak has enrolled in the instru- ing the structural problems of the
ment-training course which the Uni- civil engineer.
versity, with the cooperation of the Basic among the assumptions un-
State Department of Public Instruc- derlying current theories in structur-
tion and the State Board of Aero- al design is the supposition that con-
nautics is offering to experienced struction materials may be considered
pilots who need further training in as being perfectly elastic. The ac-
navigation. ceptance of such an assumption, Pro-

The course was originally designed
to enable commercial pilots to learn
"blind-flying" and thus enhance their
chances of securing better jobs. Bel-
lak's reason for taking the course,
however, is that he has learned to
take such long flights in his sailplane
that at times he must meet blind-
flying conditions.
The story behind Bellak's decision
to enroll in the course is told by
Dwight Reynolds, instructor in the
Civil Aeronautics Authority Flight
training program here. The glider
ace was in Ann Arbor when the Link
Trainer, the non-flying. ship which
simulates all the conditions of actual
flight, was being installed. He decid-
ed to try the Link out.
So little, did he know of instrument
navigation, however, that he had to
give up in his attempts to control
the Link after three minutes. He be-
gan to wonder then, Reynolds said,
what would happen to him if he ran
into heavy fog while on one of his
long glider jaunts.
Dr. Purdoin Will Attend
Convention In Chicago
Dr. T. Luther Purdom, director of
he Bureau of Appointments and
Xccupaticnal Information will attend
he North Central Association con-
ention tomorrow in Chicago.
The Association is an organization
,f secondary schools of certain scho-
lastic and progressive standards.

fessor Van den Broek challenges, leads
to several inconsistencies and con-
tradictions'in actual practice.
A perfectly elastic substance, he
contends, is ruled out as totally unfit
for structural engineering purposes,
yet in dealing with actual construc-
tion materials, stress calculations are
based on the idealized view that the
materials used can be considered as
being within the bounds of perfect
High grade glass, Professor Van den
Broek points out, manifests two pro-
perties, namely, great strength and
perfect elasticity, yet in common prac-
tice, no engineer would conceive of
building a large structure from this
material. So long as stress and load
are within the elastic limits, present
theories raise no objection to the use
of glass as a building material, yet
engineers know that such a practice
would be a physical impossibility.
To clear this contradiction between
"theory" and practice, Professor Van
den Broek proposes the consideration
of a property called 'ductility' in
computing load limits and safe capa-
cities. Ductility, in short, takes into
consideratica the behavior of struc-
tural merabers after the elastic limit
has been surpassed.
It admits that constructural mater-
ials may, and invariably do, at least
in localized sections undergo deform-
ations beyond the range of elasticity.
By admitting such deformations, the
theory of limit design can then anal-
yze their nature in order to extend

and establish a maximum deforma-
tion and maximum load consistent
with safety principles.
That the theory of limit design has
practical applications has been shown
by the experience of C. M. Goodrich,
chief engineer of the Canadian Bridge
Company. Some 200 full sized high-
tension electrical transmission towers
have been constructed by that com-
pany, all designed according to the
principles of the theory of limit de-
sign. That none of the towers, when
tested, failed to carry their full de-
sign limit and overload. Professor
Van den Broek contends, places a
strong empirical approval on the
theory of limit design.
The underlying principles of the
theory have also been generally ac-
cepted by severalschools of European
engineers. Notable among these are
the Dutch.
Students To Read
Papers At Meeting
Reading of papers, prepared by stu-
dent members for a national elimina-
tion contest, will feature the meet-
ign of the American Society of Me-
chanical Engineers at 7:30 p.m. to-
day in the Union.
Four papers will be read at the
meeting, of which one will be select-
ed for competition at the final elim-
ination contest Monday, April 15 in
Chicago. Winner of a similar contest
last year was Jack Chapman, '40E,
who placed third among contestants
from all parts of the country.
Students submitting papers in-
clude Owen Broders, '40E, "Automatic
Drilling Units;" Louis Vander Eyk,
'40E, "Chimney Design;" Cornelius
Boogaard, '40E, "Balancing of Turbo-
Generators," and William Armor,
'40E, "Carburation."
3030 or 7000

Russia has decided to create a 12th republic within the Soviet
Union, incorporating territory won from Finland (shaded areas) with
Soviet Karelia to form the Union Karelo-Finnish Soviet Socialist Re-
public. All'of the 13,990 square miles ceded by Finland, except a small
section near Leningrad, will be included in the Republic whose borders
are indicated by a dotted line. It has been disclosed that Russia has
built a railway (arrow 1) linking the Sortavala-Viborg line with the
railroad between Petrozavodsk, Karelian capital, and Murmansk. An-
other line is under construction further north (arrow 2) to link Soviet
Karelia with the Kuolo-Jarvi region.
All of the territory shown above as ceded by Finland to the Russian
government was bitterly contested during the three-months conflict
recently ended by the signing of a treaty in Moscow. This map was
prepared by the Associated Press.

BERN, April 2.-(A3--Switzerland;Prof. S. A. Curtis of the School of
mover nearer general mobilization I Education will analyze the Educa-
today as the general staff summoned tional Implications of Dewey's Phil-
to active service 41 army units osophy."


A. h L .

Handy Service
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Five avcrasc words to a reading line.
Minimum of three lines per inser-
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Our Want-Advisor will be delighted
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Dial 23-24-i or stop at the Michigan
Daily Business Office, 420 Maynard
TYPING- Experienced. Miss Allen,
408 S. Fifth Ave. Phone 2-2935 or
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place of business, atI
moderate rates.
The Typewriter and Stationery Store
314 S. State St. (opp. Kresgc's)

BEN THE TAILOR-More money for
your "clothes.. Open evenings.
122 E. Washington. 329
CANARIES: Lovebirds, Finches. Bird
food and cages. Birds boarded. 562
S. seventh facing Madison. Phone
5330 347
FIVE DOLLAR BILL lost on campus
or at 7th Ward polling place Mon-
day. Reward less than $5. Call
Karpinski 8466. 356
LOST---Man's Hampden watch with
chain. Reward. Ph. 2-3371, Spurr,
310 N. Thayer.
WANTED:. Two passengers to Kan-
sas City for Spring Vacation. Call
4121 Extension 371 or 3115
cart find a ride home very econom-
ically by inserting a Ride Ad into
The Daily. Find passengers for
your car or seek your ride now.
15 words for 36c. Dial 23-24-1 now!
Driveway gravel., washed pebbles.
Kill Gravel Company. Phone
7112 13
SLADY would like to join party driv-
ing through Southern Michigan
durig Spring Vacation. Will share
expenses. Write Box 23, Michigan
Daily. 354
RIDE WANTED - To Knoxville,1
Tenn. or vicinity. Graduate wo-
man will share expenses. DebsI
Harvey-2-3225. 3521

NEAR Lawyers Club---3 rooms newly
decorated and furnished. Electric
stove, refrigeration, bath. shower.
602 Monroe. 351
PLYMOUTH 1932 Deluxe Roadster.
Good condition--$95 cash. 314
North Ingalls. Apartment I. Eve-
nings. 357
LAUNDRY - 2-1044. Sox darned.
Careful work at low prices. 16
your discarded wearing apparel
Claude Brown, 512 S. Main Street.
WISE RealEstate Dealers: Run list-
ings of your vacant houses in The

AO -


:....:. s =

Daily for summer visiting
sors. Dial 23-24-1 for


Doubleyour Face Value
in 30 days or your money back

Thi ln s d s ofit
teareles grace of It'
t e wa iibow
>C :;

ierd inside
~Wa5 the Munich beer hall bomb engir sie
on prpOS? Mr. Bess tells
Germany'? To miss Hitler on purpose S
n k's Post about the sudden rise of "one
you th s wegues in the world today" and the
fgrtmosthgsle etwen Nazi party leaders and the b ireless from Geneva)
Reich army generals A timely Post article
d youngChinese girl, should
Tpp BAD that Yu Hao, the daint y he old gem dealer. All
be given in marriage to Soong theo mder All
Chinatown knew of her love for another. Then murder struckt
and ohn"Hm nd, hia guide, found himself with
1 and ohnnyHammond, Chinatown g n tis, wek's Post.
the only clue ...A dramatic short story i this we
P The Marriage Month by SSDNEY HERSA NewComedyNof
Big Game Fishing
(in his spare time) i o iln
fmous ChicgoJ Tri 6 e- This way to Hollywood, where wild
See how John T. McCutcheonfamo assau, fles his own flag, sea waves dash high (in the studio
toonist, rules his Treasure Island, fourteen photos in color. tank) and fighting monsters of the
makes his own laws. Illustrated with deep (rubber models) are artfully
reeled in by "one of the most beau-
tiful women available today"! This
RlI I ZESweek's Post brings you the rollick-
Danew roance of the back N la' 1NUC a ing, romantic, ridiculous adventures
country by Vereen Bell, Listen to the f o of Crunch and Des. In four parts.
W~hip poorwitl; short stories by Doug rf , Confui us" ayings
Welch and Harry lingsberg; yamy's- For complete details, ask this newspaper "Salt U'ater Daffy "
We e b i G Eberhart for the Contest Pamphlet. Your entry
tery serial by Mignon G.h 10frs rzo one o
(Hngman'SWhip) ;Raymond Moley maywin the $100 first prize, or one of
(n sBusiness in the Woodshed; an Evening Post contest for college students.

Try a new Schick Dry Shaver
for 30"days. If at the end of
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The Schick Dry Shaver-
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the "Colonel", $15; "Deluxe
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ing Room Kit", $17.50.

p ~I .


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