Evening times-Republican. [volume] (Marshalltown, Iowa) 1890-1923, 1911-08-15
GREAT DEMONSTRATION TO BE
HELD IN PITTSBURGH DUR.
ING OCTOBER.
PRESIDENT TAFT TO WITNESS
EXPLOSION AND REscuEs
Other Government Officials and Proni-
nsnt Mining Men to Attend-Govsrn-
mont, Owners and Mine Workers
Promote Safety Exhibitions-other
News.
Especial correspondence

Washington, Aug. 15.-Thirty thou
sand miners are expected to attend the
great national mine safety demonstra-
2G and - under the auspices of the fed
eral bureau Of mines, the American
Red Cross, the Pittsburgh Coal Opera
tors Association and the United Mine
Workers of America
The date, which was originally set
for Sept. 16, has been changed SO that
President Taft may be present on the
second day, oct 81, to witness mimic
mine explosion in temporary steel
gallery on Forbes field, an exhibition of
rescue work by helmeted miners fol-
lowing an explosion, and to review the
parade of miners
The president will make an address
and will present souvenir prizes to the
miners taking part in the frst-aid-to-
the-injured and rescue work exhibit
tions. Walter l.. Fisher. secretary Of
the interior department; Governor
Iener. OF Pennsylvania, and DR.. Joseph
A. Holmes, the director of the bureau
Of mines, also will be present.
To Teach Safety.
The demon stration, the purpose Of
which is to teach greater safety In min
ing, Will begin the morning of Oct. 26,
al the experiment station of the bureau
OF mines, Fortieth and Butler streets.
The first day will be devoted to the in
terests of the mine operators, mine
owners, mining engineers and superin-
tendents Of mines. There will be an
explosion Of coal dust in the expert
nent gallery and tests of mine safety
lamps in gas. The dangers Of electric
sparks in gas and coal dust will also
be shown in one of the galleries.
A class of miners will be trained in
the use of the oxygen helmet which
permits breathing in poisonous gases for
period OF two hours. The oxygen he'll
met has proved a valuable aid in enter
ing mines filled with fire damp follow
ing an explosion.
In the afternoon the operators, engi-
neers and superintendent will witness
an actual mine explosion in the expert
mental mine OF the bureau at Bruce
ton. Pa, twelve miles from Pittsburgh.
Coal dust will be allowed to accumu-
late in the mine and black powder.
the use Of which Is strongly urged
against by the bureau in mines where
there are dangerous conditions, will be
used. In other words, the bureaus ex-
perts will carry GU; in this mine all the
bad practices which they believe lead
to explosions
Taft to Witness Dem nstration.
The next morning, Oct. %, the DEM
onstration will take place on Forbes
field, the Pittsburgh baseball mark in,
the presence Of the president Of the
United States and other distinguished
visitors. temporary steel gallery will
be erected on the playing field and the
cause OF the recent great explosions in
coal mines will be dramatically shown
in an explosion of coal dust Im7nedi-
ately following the explosion. members
OF one of the rescue corps OF the bu-
reau, in their oxygen helmets. will rush
into the smoke filled gallery and 20
thru the work OF rescue. Supposed VIC
Tins Of the explosion will be brought
forth and given frst-aid- to the i'm
jured.
Expert rescue teams from the princi-
pal coal mines of the country will give
friendly exhibitions and then the
miners will pass in review Of the presi-
dent. The parade Of the miners will
continue downtown to the river front
where special pier has been assigned
them TO witness the marine parade in
honor of the centenary Of the begin
ming of steam naviga ton on the Ohio
river. The miners demonstration will
conclude at noon and the remainder Of
the day will be taken up with the river
centennial,