STHE MICHIGAN DAILY su




The New, Wind 'Tunnels

Physics Buildin Will House
ManyNew, SecalFacilities

L

WHITNEY

THEATRE


all faIctors: for the best ance. enabling the measurement of
erodynanic properties of the air forces acting upon the model.
raft and standing forth as larger tunnels of this type were
Fof its kind in the United built and used as early as 1904 by
Edition to rating higih «wah others. Such is also the old Michigan'
Europe, standls the latest tuninel located in room 330 of the
the laboratories of the West engineering building which has
Sengineering departmlent b usedl for the, past 13 semesters.
wind tunnel. The abo_)ve type of, wind tunnel is

to be two trunnels, a largel
11 one, The- large one is
g- completion and is of the
rA type. .It is considerably'
om the other tw-o of its
ibpe almost to the et ,nt
n'vwthing. It is expected
[ :urpass in efficiency All
vi'I develop wind veloci ties'

Wood Invented
Drill Used In
Hoosac Tunnel:

les per hlour. It xwill be jDe Volson Wood came to Ann Arbor
a 250 H. P. engine and thej in 1857 to teach in the place of an-
f the throat can be varied 1otlher professor for a few days. He
to eight feet. This varias-: remrained here fifteen years. Thus,
ew feature, all other tun- seemingly a moan of fate, he became
of constant diameter. oeo h otntdo h al
01 tunnel is of the high Ioeo h otntdo h al
le return type expected to" professors in the University of
611111m wind velocity of 600 Michigan and the inventor of a rock
our with a throat diameter drill and an air compressor. Hie was
to 20 inches. It is especial- the first president, of the S. P. E. E.,
study of high speed pheno- an article on which organization will
1)be foundl elsewhere in this paper.
wind tunnel here has done ! A inoiial tablet to Professor
e work for aeroplane i Wood was placed at the entrance of
Detroit and it is expected the engneigbligin1.8ad
ew euipentthatthelab his picture is in the maini corridor,
re will be used for testing lHe lived on 'the point adjoining the
or many private concerns I new medica l building, and his body
for the United' States gov- rests in the local cemetery, it being
rF. V. Pawlowski of tihe his wish to b)e buried here.
Il engineering department T he Wood rock drill was first used
f charge of the work can the in the drilling of the Hloosac Tunnel,
the following informiation but its use was stopped by an injunc-
wind tunnels has been pre- tion of a competitor which was' based
i. ron a legal technicality, it, being
with the naval tank and, thought by many that his drill was
Slaboratory, the new Iaero- superior to others. In" 1872 it was
boratory will be among the further p~erfectedl and an attempt way
features of the engineer- made to put it on tile market in
offering unique opportuni- quantities, but lack of proper financial
e study of certain pheno- support caused him to drop the y en-
irnental to the respectivel ture about 1880. Many years later
f engineering. D ean Mortimer E. Cooley found one
Ind ini equiipmient tihe new I of the drills under a tree on the cams=
is laboratory will out dis- pu eeadbditpae ntem
other similar laboratories pshr n a tIlcdi h n
even the largest and best gineei'ilg building: % About the same
overmentand foreign la- tie as lhe began to develop the rock
thusnlnen -ta fri a drill, "Professor Wvood also perfected
ero~ynmicresarh i ths r~u air complressor which was then
nrol ;nam-; research this Inan(11 .Tr.-

"--------I Construction work both inside and!I
knC ste sri h n pn ed outside on the first unit of the new!i
kntw disdvantag tanopenend.physics building is now completed.
" It disdvanageis porefficiencySm ftersac paau a
that is, relatively small wind veloci- Senmvd nat ome of the rsacapratu- has
ties are obtainable at the expense, be ovdi adsmeofheal
the given power of tile motor driving vne ore r en edtee
tile fan or blower. In or der to im, As soon as equiipmenit and furnituref
prove this condition, Eiffel intr-oduced! that "is novW being made in the build-t
the so-culled Venturi tube principle if ing and grounds department is fin- c
in the construction of wind tunnels, tiwhed the department will take pos- t,
the fan being operated. at the large ,. session.,s
end of the tube, producing wind ye-'fThe building is' tour stories abovet
locities at the narrower throat. I the ground and there 'are three base- f
.The above described open end type' ments under part of the building, the;l
has tile disadvantage that a large por- ; lowest floor being 34, feet below the
tion of the motor power is wasted as surface. The two sub-basements arel
the air leaving the fan 'end of 'the tube'- of -double walls and double doors soEi
carries a considerablei amount of en-! that 'constant temperatures can ber
ergy (kinetic energy) which is dis- obtained for research..
sipaed n th spce ito hichthe Provisioni for all required facilities
air is being, discharged. By conduct- hsbe id swl
ing this air current back to the enI-frrsac
trance end of the tube a large portion as adequate provision for expansion, .
of thie energy can be regained, in the future. This is particularlyA
This leads to the return type wind to be seen in the electrical wiring. Inc
tunnels, the first one of this type hay- addition to the 220-volt direct cur- n enisaldbIrnt tGe-rn ieadte10ad20vl l
tinger University, the second at the ternating three-phase' circuits the
U. S. Navy Yards at Washington, D. building is provided with three bat-.t
C.1 tery rooms which in all will be ables
By combining the Venturi type prin-I to give from 2 to 1,000 volts in anyt
ciple and tile return duct idea and by part of the building desired. In each
using two symmetrically arranged re-{ room in the building, outlets are pro-1
turn ducts, still better results can be vided for six circuits as desired, also
obtained. Such a tunnel was first in- outlets for gas, compressed air,, water
stalled by 'Crocco in .Rome and then 1and waste facilities.
)y the Zeppelin Company in Friedrich - Special switchboards to carry these
shaff en, and now with many changes circuits are provided for throughout
and imlprovements, here. "they, are the building. A special large board
known as the double. return type. is located in the first sub-baseient1
- t and in :the main basement and on tile
Evanston, April 5.-Allan Monroe, second and ifourth floors are located
president of the,. Epworth League of F large distributing boards that will I
the First Methodist church of Evens- 4 have taps for the various rooms on
ton, Ill., was expelled from his fra-. that particular 'circuit. The piping
ternity for pacificism.- and wiring circuits are carried in
shafts built every 24 feet throughout
Lawrnce Aprl 5-Lat niht 02 the building. This also arranges for
people "attended the Phi Beta Kappa,f any reasonable expansion for some
University of Nebraska chapter, ban- i Aienothoer .neetn faue o h
qutwhich followed the final initia -___Anotherinterestingfeatureofth
Lions.

building is tile sound( labratory whiich
is really a sep~arate b~uilding b)uilt
within the walls ofth le larger build-
illg. Iin the first sub-basemenit there
is a r~oomi with lhardened surface wa ls
-which wii provide special conditionsl
for reverberation andl albove this are'
-two smaller rooms built with just theI
apposite purpose in mind. The walls!
of these latter rooms will be padded
so as to be free fromh all echoes. All
three of these roms are separ-ate.f
from the rest of the building, but are
'built within tile main wails.
In addition to these rooms115tile
building will house special research
rooms in spegtroscopy, large X-ray
room~s, cold rooms, host rooms, dark
roomls, and special laboratories in tile
various branches of phy~sics.
A library, v'acuum tube, laboratories,l
high tension spectroscopkc laboratores l
will all be located on the upper floors
of the building.
Lawrence, April 5.-Thuck ponds,
doll shows, and vaudeville skits con-
tributed this year to one of the most
successful carnivals ever given at
the University 'of Kansas.
Isaac H. Pedrick, '70L, is the old-
est living graduate of the University
in Pasadena, California.,

f

SATURDAY, APRIL12
CHARLES FROHAN*
6 (IN PERSON) i
L~ r 'AZ 18,L/BL'RY FIELD '61
SA)/)SI-1/VciSTAGE COM)EDY Il
THE GREAT"

O..C

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Il!"',

mAoTA MOVIE)'

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wr laboratory is located in the
ement of the E~ast Engineer-
ing, occupies 10,000 square
area and includes two offi'ce1
large drawing room, aero-
+op aerofoil room and store
i and most iiportant part
uipment will consist, of twAo
el: Before describing these
essary to say a few words
d tunnels and their develop-
general, in order~ to be able
'roperly thle new Michigan!I
t with respect to til e thers
sxisting.
Stunnel t for lack of otheir
per term; cave of winds .be-1
b ad) is a contrivance serv-
production of artificial air
within certain, space. In this
ant, models of complete air-j
carts of aircraft can be tested!
it aerodynamic properties
ad determined.
ly the first wind tunlnel ever
sthe one used by Wright!
prior to their first flight in,
was a very small apparatus.
rly wind tunnels wvere nmerely
is with a motor driven fang.
r at one end to produce, a
ir through the tube. Models'
seed inside tile tube and
a a properly portioned bal-

xvada.
'Professor WAood was a frequent con-
tributor to scientific periodicals. fie
was also the author of several text-
books widely usedl in schools of en-
gineerin g. H-I, was conisidered by
lBean Cooley and otheris whlo knewv
him as one of the greatest men of
his day.
Michigan students caused him to
change the spelling of his first niame
when hle came hlere. lie had spelled
it Devolson and when lie was nick-
named "Devil-son," hie changed it to
[DeVolson to lessen if possible the
usage of tile other pronounciation.
'Alliinsighlt on the mental alertness
of thle man -caii be see1n in the follow-
ing comments by Prof. J. B. Davis.
who was an admirer of Professor
Wood: "Let me show you how quick-
ly lie appreciated work of exceptional
'merit. I recall the, imorning after
Lincoln's Gettysburg Address, he
came up to me waving the morning
paper and said, 'Lincoln has made the
greatest speech of his life, and having
caught the spirit of it, hlis enthusi-
asm was unbounded. The point of
interest is that the address was not
conmmented iupon very favorably in
the country until about a week later.
-He caught the spirit of it at once."

Free of
Charge
While
It Lasts

UPPER ROOM
BIBLE CLASSES
.They, are different-you will
like them.
Read tile
I per RoomA Bulletin
Free to, Members of Classes
Soloist Tonight
Winfeit 1. Adams
Sunday M orning. Class at 9:30,
closes at,10:15
A most cordial welcomie to all
University Men
Class also on Tnlesday evenings
at 7:15

".,.

A Generous "SaMPle of
REFLEX INK
0. D. MORRILL,
17 'Nickels Areade
rthe Typewriter an aidstationery
Store.

11

-_- lIl~

"f__________________________________ _________r___Y______________________________ P
w
- wI~


UNITARIAN CHURCH
State and. huron Streets
SIDNEY S. ROBINS, MInster

CHURCH OF CHRIST
DISCIPLES
All Services Held In Lane Hal
Corner Stale and Washington Sts.

9:45 A. M.'
Sunday School

I

SERVICES

Sunday:

ST. PAUL'S LUTHERAN,
CHURCH
(Missouri Synod)
Corner Third and West Huron Sts.
CARL A BRAUER, Pastor
SERVICES
9:30-Services in German.
10:30-Students' Bible. Class.
11:30-Services in English. Sermon
Subject: "Three Reasonis for
Unbelief."
5:30-Student Social Hour and
Sapper.
6: 30-Discussion led by John., L.
Herzog. Subject, "Evolu-
L.ion,"
7:30-Passion Service. Subject:
"Deepest Depths of Sin."
Wednesday Evening, 7:30-Lenten'
Service in German, "It Is
Finished."

TRINITY LUTHERAN
CHURCH
Fifth Ape. and( William St.

REV. L. F. GTNDERMAN, Pastor

i


t V

/

F7A

r:1;, n.
4,,

10:30 A. M.
Morning Service
Rev. Augustus P. Reec"ord, of De.
troit, will preach.
5:45-P. M. -
Young People's: Supper
Professor R. W. Seliars, speaks on
6:30Q+
"Thte Gospel According tO John
Dewey."
"Religion free, frank, friendly."

9:30 'A. M.
preaching .Service; 10:30 A. MV'.
Students' Bible Class, ,12 noon..
Y oung People's Service, 6:30 P.
Rev. J. A. Canby wil speak at
the -10:30 service Sunday ihorning.

10:30 A. M1.-"The1 Blood of Jesus:'
Wednesday, 7:30 P. M.-"OThe Ndinth
and 'tenth Commiandument. A.
Right Heart."

Bible School, 9:304A. M.
Christian, Mens Service

Club,

i

ZION LUTHERAN
CHURCH,, -
Washington St. and Fifth Are.
E. C. STELLHROXN, Pastor
9:0 A. M.-Bible Study Hour.
10:30 A. M.--Sermon (German)'
"Some Wonderful, Claims Jess
Lakes for Himiself." John, 8,
46-59.
5:30'P. M.-Social, Hour and sup?
per for students.
6:30-Student Forumn. Reverend
I.. F. Gunderman Wiil lead the,
discussion." Topic, "The idea of
a.Scet7:30 P. M.-Lenlten Sermon (Eng-
lish) "Calaphas' Part In, JeguV~
IYasSivon.'.. -- -

BETHLEHEM
EVANGELICAL CHURCH
(Evangelical Synod of N. A.)
4th Ave.. near Packard
G. A. NEUMANN, Pastor
Sunday School at 9:00 a m.

I

-~Real Beauty Plus
B etter Prtection
ROWE BROTHERS High Standard Liquid Paints will
.. do two things for your home,. They -will beautify
-with a combination of rich, soft colors that will retain
ir original freshness for a long tirhe.. And they will
ye you the best of protectioni against. weathering
ecause of their remarkable wearing qualities. They'll
)st less, too, than many paints, because they have,
iusuai ability in covering and hiding.
" rt w i " ;tea a nr w t tT11 i.:

FIRST PRESBYTERIAN CHURCH
REV. LEONARD A. BARRETT, D.D., Mlnister
LEWIS C. REI:flANN, 18, Sec'y Men Students
MRS. NELLIE CADWELL,' Secly Women Students
10:30--Morning Worship. "P'RE-EASTER MESSAGE."
.12:00-Classes led by Miss Mary Toss and Prof. W. D. Henderson.
5:30-Social Hour. All welcomed.
6: 30--C. E. Meeting. Miss, Neva Lovewell,-. '22. Head-President Laird
Community, House, Chicago,, will give an- iillusbrated talk on the
settlement work of Chicago.-
#t. Abt ul~ aEpa aurat
COR. 'CATHERINE AND) DIVISION S'TREETS
HENRY' LEWIS, RECTOR-
CHARLES T. WEBB, Director Student Work
RACHEL HAVILAINTD, Secretary' for Student Work

9: 00-Sunday
Classes.
10:00-English
11:00-German

School and

Bible

Services.
Services.

FIRST BAPTIST
CHURCH -
It. EJWAI) SAYLI S, 3Minster
HTOWARD) IL, CHAPMAN
Minister' of University Students
10-: 30-Fouirth Pr-e-Easter Sermon,
"I Ant The Truth." (Series of "I
Aems" of Jesus). Mr. Sayles.
12 : 00-Sunday School. Classes for
all. Students meet at Guild House
with Mr. 'Chapman.

FIRST METHODIST CHURCH
Cor. S. State and E. Washington Sts.

I

I

t ~ REV. ARTHUR IV, STALKER, D.ID., Minister
REV. W. SCOTT WESTERN^ Associate Minister
MISS ELLEN W. MOO lE, Student Director
10:30 A. M.-Morning Worship. Pastor's Subject:
"LE\T--THE LARGER LIFE"
12:00 M.-Bible Classes in Wesley Hall.
2: 30 P'. lM.--ospital. Singunder auspices of Social Service Departmnent
of Wesleyan Guzild.
5:00 P. M.-"Easter" Supper.
6:30 P. M.-Religions Drama, " HE IS IlE SON OF GOD:"
7:30 P. M.-Evening Worship. Mr. W ,.C. Pearce, Associate Secretary,
World's Sunday School Association, will speak on "RELItov-IO17AN IVLIAIO.

CONGR EGATIONAL CHURCH ~
HERB1EIRT A. JU11P, -Minister EL. KNOX MITCHELL, University ?astot
LUCY ilUBEFR, Secretary for Women Students
"THE STONE CHURCH WITH THE WARM WELCOME"
Time last Book Sermon in Optimism by Mr. Jump will discuss Rose
Macauley's novel. "Told by an Idiot." It will be a study in "'te Mood of