The Washington herald., 1917-02-24
Army and Navy News
Best service CsIuup IN Ctty.

Until further orders. persons holding
provisional appointments to the grade
of second lieutenant will be required to
provide themselves only with the SER
vice and dress uniforms. and with the
arms and personal equipments pertain
ing to their rank and duty, according
to orders issued at the War Department.
Horse equipments will be furnished
under the laws and regulations govern
ing issues to officers of the army.
Until further orders, members of tine
Officers Reserve Corps will be required
to provide themselves only with the SER
vice uniform, and with the arms and
personal and horse equipments pertain
ing to their rank and duty, except tina.
members of the Medical Officers' Re-
serve Corps, when on active duty a..
posts will provide themselves also with
the dress uniform. Horse equipments
will be furnished to officers below the
grade of major under the same laws
and regulations governing issues TO Of
ncers of the army.
Under provisions Of the National De-
fense Act, approved June 3, ll6 the
Third Aero Squadron. Signal Corps, will
be organized near San Antonio, Tex.
The commanding general. Southern De-
partment, will complete the organiza-
ton by assigning to this squadron ell
listed men of the aviation section now
In or to be sent to his department.
DR.. Michael I. Pupin. professor at Co.
lumbia University, following banquet
In his honor at Delmonico's. In New
York. recently, for the completion OF
twenty-five years of service at Columbia
announced that he has given to the Unit
ed States government his latest inVen-
ton, which eliminates static interference
with wireless Transmission. DetaAs OF
the invention are kept secret. but the pro-
fessor announced that the army and navy
have the exclusive rights to the device
Prof Pupin spent several years WORK
ing out the invention which now. for the
frst time makes II possible to send mes
sages at any time, no matter what wealth.
er conditions prevail. The navy, he said'
has experienced great difficulty In send
ing wireless messages in the Gulf OF Mex
leo and in Cuban waters. He explained
that the static conditions in tropical
climates were very often so bad that the
wireless was almost useless. He worked
the invention out in his own laboratory al
Columbia with the aid OF his assistants.
II can now say that the success OF the
invention is good" be said.
wireless could never be relied upon
heretofore on account Of the static. On
that account its commercial value was
limited. The discovery ! have made en-
tirely overcomes the static"
Prof. Pupin, who is a naturalized Amer
lean citizen. is by birth a Serb. He came
TO this country a poor boy and worked
as a laborer. Now he is privileged to
write his name, A. B.. Phi. D., SIS. D. and
Ill. d.
The outstanding feature OF the conven-
ton of the American Institute of Mining
Engineers, held recently in New York.
was the action of the wives Of the mem
bers in lining up with those who stand
ready to aid the nation in the event OF
war
Several hundred members OF the insd-
tute were present and while they were
discussing geology and metalography their
wives were making plans for a patriotic
demonstration. Their committee adopted
the following resolution:
THE women of the American Institute
OF Mining Engineers, desiring to express
their patriotism in the present crisis, pro-
pose to form an organization for service
along any lines which may prove useful
now or in the future to the country or
to the community. This will form the
chief topic for discussion when the women
hold this morning an open forum for the
discussion OF current events.