The Yazoo sentinel. (Yazoo City, Miss.) 1878-1916, 1891-06-11
SCIENTIFIC AND INDUSTRIAL.

Electric Welding e spreading.
Gas can be changed into liquid form.
Pals and tubs saturated with glyceriu,
will not shrink.
Galveston. Texas, has twenty miles Of
electrical railway.
The street cars Of Springfield, H., ave
supplied with electric heaters.
Copper tubes now manufactured By
meaus Of electrical deposition.
Since 1880 over 700 applications 10,
| patents for electrical aceumulators have
been made In England alone.
A good waterproof cement can BE
made, II is said, from equal parts Of rcd
and white lead worked into stid paste
with boiling linseed oil.
The crco8oted wood floors Of build
ing recently burned in New York wero
the only portion Of the structure not de.
stroJed. They were only charred.
10 obyiate the waste Of steam in steam
hammers an Improvement has been intro
duccd in fitting the hammers with two
pistons Of different dameters, compound
ing them in fact.
Mica, which stands unique among
minerals as an Insulating substance. IS
destined to become one Of Connecticut's
leading products Three new mines
have recently been discovered in that
State
A new embroidery machine for use in
in muking linen handkerchiefs can turn
out finer work than any work done by
hand. The north of Ireland must adopt
the new methods if It wishes to retain it's
present leadership.
A late innovation Is an electric railway
express service established in Western
town, by mems of which, for small
charge, all the packages bound out
ward for the suburbs are gathered up
at the depot and then delivered along
the route.
The production of electrically welded
steel chains will soon become ar impor-
tant industry in this country. The steel
chain will be one-third lighter than the
present iron chain, with MS great ten
sile strength, and can be produced at
considerable less cost.
At the coming Frankfort electrical ex-
hbition a large balloon will be sent up.
The power sending up and maintaining
it will be electricity, which will be OBJ
tanned from large dynamo on the
ground A telephone will connect the
passengers with those on terra firma.
Cream OF tartar is the tartaric acid Of
grapes, and may be used in water with
sugar as n substitute for grape Juice.
IL is the substitution OF mineral acid for
those Of fruits and vegetables that is 50
injurious to health; for instance, sui
pheric acid in vinegar for the natural
fruit acid.
The North German Lloyd Steamship
managers have concluded TO
stick TO the single screw for all their new
steamships, believing that a single pro-
oeler whirled by mighty triple expan-
zion engine is more effective than twin
'crews operated by two engines whose
power does not exec that Of
ihe single-serew ship. -
A saw has been designee ufting
ron, mild steel or other metals os fairly
arge sections. The inventor of this APP
'liance claims that it is a cold iron saw at
nee simple, powerful aud effective 1t
; always in readiness for work, and can
'e manipulated by inexperienced work.
men. The machine is stated to be
apable of making 400 cuts through bars
# Bessemer steel four inches in diameter,
ach cutting occupying six minutes on
n average, without changing the saw.