The Wheeling daily intelligencer. [volume] (Wheeling, W. Va.) 1865-1903, 1878-10-10
scIINcE n INDUSTRY.

Seven Of. the ten blast furnaces in Pitts
bufgh are in operation.
"A Belgian physician appointed by hi.
government 10 investigate the CAUSES Of
the prevalence Of ldrblindness in that
country; hastepotted that 1t iAdue 70 the
too general and excessive use OF tobacco.
Milk is found to form an excellent sol
vent for quinine, and also to disguise, in q
measure, the bitterness OF that drug. II
will be found particularly useful in admln'
istering Ouinine to children. Five grains
In 4 tum6leriul Of milkis almost tasteless.
It is estimated that 100000 sewing
machines have been made in the United
States. Their manufacture and sale in
this country give employment to about
5000 persons, and the capital employed
is estimatedto be from =, 100000 to $50
10000.
II Is authoritatively stated by the pro-
prietoE Of the Baldwin Locomotive Works
that they will build in 1878 no less than
500 locomotives against lS5 in the year
1877. The firm now employs 1850 men,
its usual complement, and the number
seems not likely soon to decrease.
In the ten cotton States last year there
were 600 acres OF land under cotton
| cultivation, which produced Ass 1913 bales
| OF cotton, and during the twelve months
ending the SOth OF June, 1877, unmanl.
factured cotton, valued at$l7l, llS,5OS, and
cotton manufactures OF all kinds, valued
at $lO,90l 81, were exported.
The redson that milk boils more quickly
than water is because it isa thicker liquid,
and consequently less heat is carried of
by evaporation Of steam; therefore the
heat Of the entire mass will rise more rap
idly. Again, there is u thin skin which
forms upon the top OF heated milk, which
of course confines the steam, and incrcaS'
es the heat.
N. Remain, q French physician, declares
that to be free from liability to yellow fe-
yer one has only to drink boiled water,
yellow fever being the exclusive result Of
drinking water that has become corrupted,
and that il one is attacked by the disease
he will be cured in twelve hours II he will
only drink large quantities OF boiled wat.
err even in the midst of the vomitines.
To make 4 Japan for iron, mix shellac
varnishwith q sufficient quantity Of ivory.
black or lampblaek. Other methods are
the following: First-Asphaltum, one
pound; melt, and then add hot balsom Of
copabia, and thin t%urpcntine. Second
Grind lampblack very smooth, and add
copal varnish to the proper conSistence.
! Third -Asphaltum, three ounces; boiled
oil, four quarts; burnt lumber, eight oun
/ cas: mix BY heat, aud when cooling thin
with ~turpentine. Fourth Amber, twelve
ounces; aSphaltum, two ounces; fuse BY
heat, and add bolledoil, one.halt pint; re-
sin, two ounces; when cooling add one
pint OF t%urpentine.
Ono of the novelties OF the Paris Expo
sition, is a drill which borps square holes,
the invention OF Mr.. Julius Hall, OF Lon
don. The work is done, too, says a cor
respondent OF the Sisatgc Nets, in q way
so simple and SO easy that anyone may
prove the TACT for himself. The invention
has excited genuine a~stonishment among
the mechanics gathered at the Exposition.
There is a constant crowd surrounding the
inventor, watching him bore hole after
hole square, and pulling oyer the provo.
kine,y simple solution OF the problem. All
thai IS required is an ordinary hand drill
stock. A stationary one with a chuck be
low for holding the work is used by the in.
ventor; but he SAYS common brace will
answer-"anything, in fact, will do, that
will properly hold the drill" The tool it.
self fsthe usual form OF three-square drill
= so that no special apparatus is reqdired.
Clamp or chuck this drill in its holder 80
that lit will wobble," that is the whole Sc
cret. Instead OF making a round hole. rs
it will if tightly grasped, when loosely
heldit produces a square one; and, accord.
ling TO the inventor, it is immateral
whether the drill wabbles in the work OF
the work under the drill.