The Cambria freeman. [volume] (Ebensburg, Pa.) 1867-1938, 1889-01-18
scientific Scraps.


II is the overwoIked boiler that
caus,s many accidents.
Smallpox aud scarlet fever rice as the
temperature falls, and fail after the
Temperature rises in the spIing.
They have discovered new way OF
making bon6re at Virginia CITY, New.
Bricks are soaked IN kerosene for swo
DAYS, after which they will burn bright
ly for more than an hour.
Several recent explosions are trace
able to the fact that the fremsn's eyes
were not good enough for him TO really
be able TO see the state of the gnAge,
though he thought he could report on
it perfectly.
The length OF the tubes employed in
the pneumatic postal dispatch in Berlin
is about 80 miles. Tue numOsr OF let
ters, card and local telegrams forward
ed by this system in 1887 was 934 GOO.
The cost OF construction has been $50,
coo.
AS the best method water proodng
soldiers clothing, The Belgian govern
ment has adopsed dipping the goods in
acetate of alumina and then dying 10
the air. The clothing is not injured,
and 10 said 10 offer no obsticle to pers-
piratioL after treatment.
Professor Langley fuds that very
faint light may Do Perceived IN aoou'
half u second while AN ordinary brign,
light requires only about half that III
terval, and that the same amount OF
energy may produce at least 100000
times the visual affect Ia one color that
IL does in al other.
The lightning flash is generally sup
posed to have q duration o. much less
than the one-one-huEdred thousand IA
part OF a second, but Travelled has OBJ.
tained Photographic results when IndI-
cate that it may last several seconds.
On a slow moving plate h4sh Was im
pressed as broad riooon-shaped banu.
Gum on trees OF any character Is but
the waste cells OF the trees, given dis
chargs upon The surface by the power
that constructs a tree. When the sub
oil, when It is resin. There are ali
conditions OF the substance ffom an Vi.
to resin.
The relation between cold weather
and earious diseases has lately been ella
borately studied and discussed by DE-.
Henry b. Baker, Secretary Of the
Michigan State Board OF Health. HIS
results, published In Science, show that
dlphthsifE. scarlet fever and smallpox
are largely controlled by meteurologI-
cal condItigns. DR.. Baker duds tha,
diphtheria is most frequent in autumn
and winter, accompanying somewhat
In It's rise and fail by seasons aud by
months, The fall aud rise of the temper
atute and The rise and fall OF wind We
roeity.
Comparatively little attention was
given by the medical profession to th-
treatment of spra rs till in 1870 or 1871
when Sir James Paget urged the inves-
LEGATIONS of the subject and the ins itu-
tion of scientific methods in the matter.
DR.. Wharton Hood af,erwaTd published
in the Lancet an account of the
methods followed by the professional
bone settlers Of the public, which with
some bIunders. were attended with con
siderable success. a full treatise on
ths subject has recently published 10
London by DIR. G.. w. Mspse!l Moulin.
This author recommends treatmenI
chiefly hYdropathic. with the avoidance
Of such lotions and linIments as arnlca
and thus toxicOdendFon an accurately
measured rest, followed by moderat,
aud careful movements, and suitably
adap.ed massage.