The Middleburgh post. [volume] (Middleburgh, Snyder Co., Pa.) 1883-1916, 1889-10-24
POPULAR SCIENCE

NJ. Bischoffsheim has presented to th
nineralogical museum in Paris valua
bic collection of diamonds.
Scales so delicate that they registe
the weight of an eyelash or mans sig
nature have been Perfected.
A bicycle which can be made into
quadricycle and can he used by eithe
man or woman, has been invented by a
English genius.
The international Chemical Cougres
passed a resolution TO the effect that no
more than 3 per cent. of lead should b
permitted in the alloy used for "tir
ming" no; more than 5 per cent. in IL
alloy for tin vessels.
From experiments made in Richmond
Va, with electric heaters, it seems prol
able that passenger coach can be kel
warm at an expense of two cents \ Il
hour, the current being supplied by q,
namo on the locomotive or tender.
SCOT falls down chimney before
storm because the air at that time col
tains more moisture. SCOT is hygr.
scopic-that is. rosorbs the moistu,
from the air, and, becoming heavier, DC
taches itself from the sides of the chin
ney.
While strollmg through the Paris Tc
libition the other morning, Mr.. ydisi'
accidcntly hit upon tool that he caltC
lates will save him something like $Gt
II year. 1t is n chisel worked by hydr
lie pressure, and will enable him to :
duce his labor by eighteen hands.
A simple pattern of nm incandesc0
lamp has lately been introduced r.
France, consisting Of two horizontal n
Of copper, placed about four milimci
apart. A thin, pointed rod of carbT
placed vertically, rests on the COZ =
rods and forms bridge between then
That is a wonderful machine which
Francis Galton has invented for mea
ing the time which elapses between
seeing or hearing anything and the
ing of n certain specified movem
According to experiments made
time averages about onc-fifth of n sec, =
Numerous observations made in FIR
show that on meeting an insulated
talic or carbon conductor the solar 49,
communicate to it positive cha
that the amplitude OF this chaI &c HS
crcases with the intensity of the
and decreases with the hygrometric "!
of the air. ~
"Pita, the supposed remedy foE -
drophobia discovered IN Spain, seen =
he name given to the flower sta
the aloe, a plant common in some
of Spain. The story goes that its VII
were discovered accidentally by M
a fit of hydrophobia falling upon am T
plant and unconsciously biting the =
Where gas is used, the safety of Id :
simply depends on securing full, free
perfect ventilation. The necessityrly
this precaution is highly apparent, 'es
we think of the impurities whicl =
sends forth into the atmosphere, and CIV
we reflect on the evil which is w.t.
TO health when these impurities al 4
haled.
Some ingenious man has just padow
new kind of umbrella, the mat sstocl
which is as waterproof as silk or
and at the same time quite tnnspJOU
With this umbrella one will he easil-
to avoid in future those collision.
lamp-posts and other umbrclla-ca ~
which are at present so frequent VA
inconvenient. -
Professor Bergman some tim
performed another uncommon 5 SnO
feat in Berlin. Two cases came
simultaneously for operation; O~~
qured amputation Of the hip joi ~
other eXtision of diseased. bone
from the humerus. The Profes, 4.
the amputation first, and used I'LL
the femur he had cut off to fill I'LL
space left by the removal of I'll iii
bone in the other patients arm. 'SA>
union took place.
1t has been recommended that an
cocoanut fibre, which is very ndies
where the fruit is grown, be us
backing for the armor of war U,
Compressed plates may be mad w
which, on being penetrated so
init water, would quickly swell
the oritice, preventing the sinl,ips,
vessel. In recent experiment
holes nearly an inch in diame1 ~
made in half-inch plates of this A~AA
protected by boards, when jet .
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