The Chesterfield advertiser. [volume] (Chesterfield C.H., S.C.) 1884-1978, 1892-09-08
SCIENTIFIC AND INDUSTRIAL.

Cooking by electricity. is Increasing.
The drcno bees e~- J each contains
1900 mirrors.
The common caterpillar has 1000 mus.
clcs in his body.
Artesian borings have recently proved
to be very successful in the saharan
Desert. s--sF
A steam launch has just been built
which 1akes a mile in two minutes and
-cns secSnd.
A London firm finds a windmill the
most economical means of securing the
motive power necessary to run a dy-
= namo.
1t has, been computed by competent
authorities that in single cubic foot of
ether there are locked up 10000 feet Of
energy.
1t is calculated thai IN London nearly
LOG, 200 tons Of sulphur are produced
annually by coal consumption and thrown
into the air.
Recent experiments in France on the
velocity OF propae alton Of electric waves
give mean velocity which is almost ex-
actly that of light.
The best way TO clean wells aud els.
terms OF foul air is to throw down peck
iof uuslackcd lime. The heat SO causel
carries out the iout air with sfushsss n,
,.psriuens: aQ6sst RI y sIhaasslaA
- 0n sniu,als seem q show th&e-
zEMauaanats of potAsh act = an saa
css tifiote ia acute phosphorus poi-
sonihg. .' -, --:,--' Y -. !.
According to DR.. Ha asen, the red in
flowers is a single pigmel soluble in
water aud decolorized blpalcohol, but
capable OF Being restored by the addition
The dynamo u replacing the battery
TO such an extent IN telegraphy that its
use win, It il thought, be universal in
Few years. It i both cheaper aud more
efficient.
Investigations OF rain drops lead to
the conclusion that some Of the large
drops must be more or less hollow, as
they fail when striking to wet the whole
surface enclosed within tho drop.
Many Of the small lakes of the alkali
and saline regions of California, Nevada
and other parts of the world ara sat
iurated and deposit their saits when any
lof the water is removed by evaporation
!or when salts are added from the inflow.
I A ws,sh sos the 6nkHis among the
newest inventions. "A small peg is set
In the middle Of each figure. When the
hour hand reaches given hour the peg
for that hour drops. The sightless own
er, when he wants to know the time,
finds which peg is down aud then counts
back to twelve.
A new alloy for use in tho manufac-
ture of wire sheets aud castings has been
introduced by New England firm. The
wire made of this material resembles or
dinary copper wire on the outside, has q
pinkish white tinge at tho surface of
fracture, and is very strong without
losing much ductillty.
there Is still chance for invention
In electric railway controlling switches.
The awkwardness of regulating cars
speed by brake which turns one way
and a rheostat crank which turns the
other is evident. Sooner or later lover
urn or some similar device will replace
---notiens with, which manufacturers at
present equip their cars.
The color Of the water Of the Medi-
terranean Sea varies considerably. Du-
ring storms it is deep green and some
times brown, aud when calm of deep
blue. In the Bosphorus and among the
archipelago it Is of varying tints, in
some places being of liquid blue grad
uating into brighter green, and in
Others assuming blue so deep as to all
most approach purple.