The Baltimore County union. [volume] (Towsontown, Md.) 1865-1909, 1907-11-23
7crrsspondsncs Baltimore County Union.
SCIENTIFIC MISCELLANY.

0ovsspOndsncs Baltimore County UniOn.
SCIENTIFIC MISCELLANY.
Pictures Of the Lungs in Action-A De
tnroneo King Of Novel Pull
STANDARDIZATION Overthrow by Ma
laria-A Dark Nebula-Dustlees Road
from Air Pressure.
Living pictures have been utilized for various
demonstrations in medicine. one investigator
having made biograph illustrations Of different
gaits, while another has recorded complete de-
tails Of various surgical processes, and third
mas reproduced the commissions Of epileptics.
The latest feat is that Of DIR. Kohler. of Wies-
baden. who has shown in x-ray photographs the
movements of both normal and diseased lungs.
The pictures were obtained BY prolonged expo
sure Of 20 seconds. several x-ray impressions
being combined, and about sixty pictures were
taken for each respiration each Of 20 or % phases
OF inspiration and expiration being projected
two or three times successfully. Some details
brought out have never before been observed.
srs
Gold formerly held leading place among
medicines, but even the much-vaunted chloride
Of gold cure for alcoholism seems to be now re-
garded as without therapeutic effect by most
medical men. DR.. A. Maudet, however. records
that salts Of gold are still used in the regular
practice of few French physicians. Chronic
rheumatism is treated by Prof. Grasset with
chloride Of gold and sodium. which. in dilute so
luton is injected BY DR.. Bue into tuberculous
tumors: for epileusv prof. T,emaine 0fves bro-
mide of gold. the remedy Of Prof Robin for can
Ger. and hyperdermic injection Of chloride Of
gold solution is DIR. Calmette's cure for viper
bite.
s~s
By new French process milk powder is pro-
duced by forcing the liquid under high pressure
through tube only l. $50 inch in diameter intoa
closed chamber heated to 1872 f. by current Of
warm air. The milk expands to vapor. the air
current carries of the water and the solids fall
in powder.
-
mat malaria as wen as ponticai causes played
IN important part IN the decadence OF Greece
by ". H. Jones, of Cambridge. Eng, and sup
ported by Major Ross and DR.. G. g. Elicit In
the fourth century B. O. great change in the
morality and character of the Greeks was coin
cident with change of the country from heal
thy to malarious one. Physical vigor and in
teiectual power were greatly diminished before
900 3. g, while discomfort and complaint be-
came general, ana In seeking q cause It Is found
that malaria has produced marked degeneration
was somewhat different. brutal bloodthirstiness
being characteristic instead of moroseness and
mental apathy. The writings of Hippocrates
give clear account of disease among the Greeks.
but evidence is lacking to show the influence of
health upon the political condition Of the E0yp-
tians and other early races.
-
A dead nebula,' is one of the most singular of
strange objects noted in the sky. 1t appears in
q recent photograph by Prof. 4. r. BARNARD ana
is q long Struggling mass in the constellation
Taurus. evidently hiding stars behind it. The
numerous stars around it suggest that the few
within its limits must be on this side of It. A
small luminous portion gradually fading out is
shown, but It appears that the nebula must be
large one, and that most Of il Is dead or non
luminous, being in some places darker than star
less parts of the sky
ss
Apokonin, the dust-preventing compound de-
scriDed Dy Consul Norton at Ohemnitz and used
to some extent on the macadamized streets Of
Leipsic, is mixture of heavy residual oils from
the distillation of coaltar with high boiling n.y.
drocerbons. After heating in iron kettles. it is
sprayed with special sprinkler that forces the
liquid into the dust under high pressure. and the
result Is compact black coating over the road
way.
,,--,,, ss
se,, .s = sue onen,cai eielnen's
S ssps " 'ne nle'als-nss oeen eoins On
s1.ousu .ne agen ~ ~ mAu ior some snousanus
ssa.s a.S =. =. Dli.lSn onemls.'
~. sA@s .Ao 'o'a, eneo' muse 70 oonsiu
cradle Inc gold and other metals concentrated
In small spots near the surface of the older
rocks are being rapidly mined and put to use. the
nne PARTICLES from their wear being carried
down streams and eventually diffused through
the deposits at the mouths of the rivers. Tin
oxide. for example, is mined at few place 3,
spread out pretty uniformly over the earth, and
: :::s;::; !; e; sss. s:;s
effect may be modified to some extent by the
T. receptacle q waste
from industrial urocessaa-notahlvf ror,, soI,,t1.