THE MI ICHIGAN DAILY

THUR3DAY. APRIL 18. 1935

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Wecther-Orneter Aiding Work UenL il liam s
fit ry ii77, 7, "
OSat e Hiochway Laborutr i Speak oil

By RALPH W. HURD direction of Murray D. Van Wag-
The Michigan State Highway Test- goner, State Highway C:mnissioner.
ng Laboratory, located in the base- ;I has proved adaptable to nearly
.ent of the East Engineering Build- every ty? leof hi hvay con truction
mg, has substantially incrsased its material, including paints, lacquers,
ictivity during the last few months enamels, expansion joint fillers, rub-
through the addition.of a "weather- ber, cork, asphalt, cements, road cils;
,meter" to the regular testing de- and fabrics,
iices employed by the Laboratory I The Laboratory is one of the few in
The weather-ometer is designed to the country to own one of these
oncentrate from five to 20 years of machines. and uses for the weather-
weathering effects on highway con- (meter never attempted before have
3truction materials into a period of been developed here at the Uni-
less than 70 days. One week in the versity.
machine will produce approximately The correlation between the effects
the same results in the materials of the weather-ometer and actual
tested as five years of open-air con- w eathering conditions has proved to
ditions. be very high, according to L. V. Gar-
The three major factors involved ity, sttpCrvi Or of the Laboratory.
in the weathering process to which "The machine has takenthe guess-
construction materials are subject- work out of the determination of
rain, light and temperature-are all weathering on construction mater-
reproduced n this testing machine. ials," he stated.
Ultra-violet ray lights, similar to -------------
those used in hospitals and for "sun PTEST TO LEAVE GLACIERS
baths" are employed to supply both' SAN JOSE, Calif., April 17. - (I, -
the light and the heat in an exact The Rev. Father Bernard H. Hubbard,
correspondence to the effect of the "The Glacier Priest," announced to-
sun. Temperatures from 90 to 175 day that he planned -o spend 15 more
degrees Fahrenheit can be controlled mcnths exploring Alaskan ice caps
by these lights. and volcances and then wolr returnj
The machine itself roughly para- to the University of Santa Clara to re-
llels a large round tray, and it is re- main as a teacher. The Jesuit priest's
volved by an electric motor. In the next journey will make his ninth con-
tray are placed aluminum plates secutive season in the forth.
which are coated with the materials _r
to be tested. Over one side of the
tray there is an enclosed spray, and I
above the tray are suspended the
sun lamps and a fan, the latter aiding
in the temperature control. E
The tray revolves three times per
hour. the coated plates thus being ex-
posed alternately to the spray of
water and to the heat and light from,
the lamps. Cold temperatures are
uroduced in the 'cold room" adjacent
to the weather-ometer, and in this - =- -
room the materials can be subjected _______
to temperatures varying from 70 tol
20 degrees Fahrenheit.
A typical day in the "life" of the
materials tested includes alternately
three-fourths hours of cold, one hour
of rain, one and one-half hours light,
two hours rain and 16 hours of light
overnight. Since sunlight is the most-
detrimental influence on construe-
tion materials, the major part of the
time is used by the ultra-violet lamps.
The weather-ometer was set up in Spe
the Laboratory in February under the
RABBIT CET

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:

Lio. Charles D. Williams, com-
manding offeer of the Naval Reservej
Aviation Base at Grosse Ile, Michigan,'
i xvi! address all studenis interested inj
the work of the Naval Reserve at
7:30 p.m. today in Room 348, West'
Engineering Building.
As the result of a bill passed during
the last week by Congress the set-up
for training and active duty of the
members of this group have been rad-
ically altered. All seniors who will
graduate in June, or at the end of
summer school, and all graduates, un-
married, less than 27 years of agej
and American citizens are eligible forI
the aviation training.
Authorities emphasized the factj
that graduates of any college, regard-
less of previous training are eligible
for appointment as Naval Cadets for
Aviation in the Naval Reserve, these
cadets agreeing to serve for four years
unless previously discharged. During
the ccarse of the first year the cadets
will be given ground school work and
flying instruction at the Naval Air
Station located at Pensacola, Fla.
The bill provides a salary of $75
a month including flight pay while
k Pensacola, and $125 a month dur-
ng the remainder of the active duty
period.

RPaLV OFFICIAL,
,BUT.IFEfIN
(Continued from Page 2)
t* ;'i.Di1 !.tithcxChurchs-
Z7 ;LIutheran Church--E. Wash.I
at S. Fifh Ave.,. Rev. E. C. Stellhorn,
pastor:
Services will be held on Maundy
Thursday evening in German with
Holy Communion.'
Services on Good Friday beginning
at 1:30. Good Friday evening serv-
ice in English at 7:30 with the Holy
Communion.
Trinity Lutheran Church-E. Wil-
liam at S. Fifth Ave., Rev. Henry O.
Yoder, pastor:
Service on Maundy Thursday eve-
ning with Holy Communion.
Service, on Good Friday from 1:001
to 3:00 p.m. followed by The Holy
Communion.
Mr. Robert Moore, the youngest.
biliard star of national prominence,

will appear in the Union Billiard
Room tonght from 7:00 to 9:00 in an
sxhibition of pocket billiards with
Prof. Carver of the Mathematics De-
partment. He is the last star to ap-
pear this year. Admission free. l
University Oratorical Contest: The
final ccntest will be held at 4:00 p.m.1
today in room 4003 A.H. The publict
is cordially invited..

in the Chemical Engineering Seminar
Room, East Eng. Bldg. Ed Hill is
going to talk on "Free Ballooning,"
and there will be an election of offi-
cers for next year. Refreshments will
be served.
, All Graduate Students are invited
to attend a hike and supper out of
doors on Saturday in the Huron Hills.

Coming Events

I
v

The Graduate Outing Club, under the
direction of J. E. Marceau, will leave
Lane Hall at 3 p.m. Price of supper
will be 25c.

English Journal Club will meet Fri-
day, April 19, in the League. Busi- Cosmopolitan Club-There will be
ness session at 4 p.m. Program open a board meeting at 5 p.m. Friday, in
to the public at 4:15. Subject: The Dean Bursley's office. Business of
relation of the school of education to importance.
graduate work in English. Leaders:
Mr. Curtis, Mr. Sherman, Mr. Ten- A.A.U.W. meeting, Saturday, April
ney, Mrs. Jones. 20, 3:00 p.m. at the League. Miss
Isabel Weadock of the Detroit Insti-
Delta Epsilon Pi will meet at the tute of Arts will speak on prints.
Michigan Union on Friday, April 26,
8:30 p.m. sharp. Saint Andrew's Episcopal Church-
Good Friday, Three-Hour Service.
Acrenautical Engineers' Division, Addresses by the Reverend Henry
A.S.M.E.--There will be an important Lewis, "The Disclosures of the Cross,"
meeting Monday, April 22, 7:30 p.m., music by the men and boys choir.
---- - -- - -- -

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