The St. Louis Republic. [volume] (St. Louis, Mo.) 1888-1919, 1903-08-15
Famous British Scientist Will Re-
peat His Experiments in
Practical Laboratory.
PART OF BRITISH EXHIBIT.
Demonstrations at Low Tempera-
lures With Helium. Radium
and Other New Chemical
Substances.

Colonel C. NJ. Watson. secretary CT the
| British Royal Commission. has notified
Chief Ockerson of the Liberal Arts Depart
| ment that Great Britain will make a scien-
tific exhibit of the conspicuous achieve
ments of Professor Dewar in the liquefac-
ton and qualification of hydrogen. with a
complete working plant for tho practical
| demonstration of these discoveries.
| The official notification was transmitted
yesterday to Chief Ockerson by Lucieu Ser
| raillier. representative of the British Conn
mission. at the Administration building.
The exhibit will be installed as . part OF
| the British section in the Palace of Liberal
| Arts
| The working plant will be practically a
| duplicate of that employed at the ROYAL
| Institution, and will have capacity of two
lIters of liquid oxygen. 1t will be con-
structed under the superintendent of Pro-
fessor Dewar.
Here. under the supervision of the IA
nous Dewar. will be made practical DEM
onstrations of the properties of liquid hy-
drogen, and of the separation of helium
and other substances from gas mixtures,
phosphorescence, Photographic action, lu-
minosity of radium in liquid hydrogen. cleo
trio crystals, direct liquefaction and solid
ification of air and oxygen and the solidi-
fication of hydrogen and production of the
lowest temperature attained.
The list of the various demonstrations to
be given of experiments at extremely low
temperatures will include transparency.
nonconductor, capillarity, density of liquid
and saturated vapor, boiling water at 252
degrees c.; direct Hquefaction and solidif-
cation of air and oxygen, production of high
vacua, barometer experiments. Crookes
tube. strength of materials, rubber film,
separation of helium hydrogen and other
materials from gas mixtures; phosphores-
cence Photographic action, electric crystals,
radium; solid hydrogen and production OF
the lowest temperatures attained; seeds and
bacteria.
1.-The Liberal Arts Committee of the Roy
| al Commission writes Colonel Watson,
have, through the exertions of a special
subcommittee, not only been successful in
organizing thoroughly comprehensive and
| lections of chemical and pharmaceutical
products, but have also been able to arrange
for an exhibit of an exceptionally important
and interesting character, such as could not
be contributed by any other nation.
TT is we'll known that British men of SCI
ence have from time to time devoted them
selves to research work in connection with
low temperatures and that the results of
, their labors have largely facilitated the
practical applications of cold, which play so
| important part in modern civilized life.
THE conspicuous achievements of Pro-
fessor Dewar in the liquefaction and solidi-
fication of hydrogen and the remarkable re-
suits which he has obtained in experiments
at extremely low temperatures are also
matters of common knowledge. 1t accord
! irgly occurred TO the subcommittee. of
which Doctor Beverton Redwood is chair
| man. that it would be of supreme interest IL
| a collective exhibit, illustrative of the work
| done in low temperature Investigations and
embracing the recent achievements of Pro-
lessor Dewar, could be furnished at the st.
Louis Exposition, and I am pleased to be