The Daily times. [volume] (Richmond, Va.) 1886-1889, 1888-06-14
SCIENTIFIC SQUlBS.
Lightning can be Seen by reflection dis
lance Of 200 miles.

Lightning can be Seen by reflection dis
lance Of 200 miles.
During the last fifty years tlfe climate has
so changed that a man can live at an altitude
OF tenth Of mile higher than before.
According to Pasteur and Cumberland,
| typhoid bacillus is in ninety-nine cases out
Of a hundred communicated through drink
| ing water
What may be of great value in ship build
ing and wStch making is the discovery that
steel mixed with 81 per cent. OF manganese
becomes non-magnetic.
4 Frenchman claims to have invented
thermometer 20 sensitive that its index
needle will defect two inches upon the en-
| trance of a person into the room where 1t
has been placed.
1t has been stated that railway trains in
England are now driven at an average speed
II per cent. higher than it was twenty years
ago, with scarcely more than half the guam
! tity Of coal
\ workman in the Carson mint has discov-
cred that drill points, heated to cherry red
and tempered by being driven into bar OF
lead will bore through the hardest steel or
plate glass without perceptibly bunting.
According to a Chicago philosopher flies
are the revivified souls OF blossoms which fall
10 the ground, decay and come forth flies.
There is no such poetry about the origin OF
the flea, for his mother is sawdust, mainly
fine sawduSt.
Sufonal is the pane of new hypnotic
used to produce sleep. The average dose in
the beginning Is fifteen grains, which may be
gradually increased to sixty grains. 1t
promises to be especially useful in the treat
ment OF mental disorders.
Or. W \. McCorn, OF the New York City
Asylum for the Insane, has found hyoscy-
mine, simultaneously administered, very
useful remedy in quoting mania, and at
tended with less unpleasant symptoms than
are choral or the bromides
Electricity is to be enlisted in the inyesti
cation of the purity Of water The volta
meter fails to show any current passing
through chemically pure water As saline
or acid contamination increases the con
ductivity of the medium grows greater.
The discovery of electric welding has sug
ccsted the welding together OF ends OF rails
80 as TO make continuous rails Of 1000 to
| 800 feet in length. The device would save
in wear and tear, but would necessitate a
special joint to provide for the gap OF six or
or seven inches which would occur between
rails Of this length under the ranges OF North
American temperature
The San Francisco Medical Journal says it
- stated that oil of bay j. used I'm Switzerland
by butchers to keep their shops free from
lies, and that after a coat Of the oil mas been
applied to the walls none If these trouble
some pests venture TO pa. in an appearance.
This remedy has also been tried and found
eiTectual in the south of France in preserving
gilt frames, chandeliers, etc, from becoming
soiled. 1t is remarked that files soon avoid
the rooms where this application has been
employed
I'm The London Standard is an account OF
a German doctors Investigations as to the
size of mems and womens hearts. The mas
culine heart weighs more and is larger than
that possessed by the fair sex a heart, it
would appear grows most quickly during the
first and second years of life, and between
the second and seventh years il doubles in
size. Until the fifteth birthday the heart
still grows a little In childhood the male
and female heart are the same size; but after
manhood the masculine heart develops much
more than the female, and ends by being two
snuare inches larger than the latter