The Pickens sentinel. [volume] (Pickens, S.C.) 1871-1903, 1883-06-07
CURRENTS.

! eraDlo quantity OF nne clay Is ulAeo WAN
the powdered graphite.
ONE ounce OF gold may be beaten out
SO as to cover 100 square feet ot surface,
but tho leaves are seldom made so thin
100 square feet 10 the ounce troy being
the usual extent. -,
IN strength granite exceeds all other
| building stones in. common use. its
weight IL shout 1G6 pounds to the CUBIC
, foot, hence cubic yard weighs about
two tons Grauite usually contains
aboGt ono per cent. 3t water.
THE water power at lowell, Massa-
chusotts, WAS begun to be improved dor
general manufacturing purposes IN 1917.
The Merrimac River at this point mas
fall OF thirtyItive feet, and furnishes Nv "
minimum, about ten thousand horse
power during the usual working hours.
Hollow steel shafting is being in
troduccd into france. Is lS made py
Gistsng the metal round 81 core OF llmes
the ing0t being finally rolled 1nto smart,
ing, the lime core going with IL an"
diminishing in diameter in the same
! Df'OpoTtion as tho metal, even when the
! total diauIeter Is reduced as low rs one"
fourth Of an inch.
The earliest application of water power
to general manufacturing purposes ap"
pears to have been at Patterson. New
Jersey, whcrc "Thc Society for EstaD"
fishing Useful Manufactures was
formed in the year 1871. Tho Passalo
River ut this point furnit hos, when NJ u
minimum, about eleven hundred horse
power continuously, night and day.
70 MAKE fishing lines waterproof,
tako Of boiled oil two parts and gold SIZE
one part shake together i'll bottle,
- L. g..
to tho limo, thoroughly dried, with u
niece of flannel expose to tfte mir, and
dry. After using the line two or three
tirnos it should lave another coat, tho
application being repeated when neccs-
sary.
BRIcKLAYERs uake uso Of spirits OK
turfontinc, and also Of vinegar, for tho
purpose % removing mortar STAINS from
pressed brick fronts, tho materials DelnR
carefully applied with sponge or rag.
Any acid applied in the above manner
in very dilute FORM would Nl&swcr tho
purpose. Vinegar being a very dilute
ascetic acid Is probably as good II recipe
as can be given.
ARTISTS proofs of an engraving are
impressions taken with great care, under
the supervision of the artist hmscli, De-
fore the regular edition IL printed IheY
arc always on the best of paper, and are
more rerfcct than those printed subse-
Quently from the same plates. AS but I"
very few are ever struck of from tlt:
same plate, they an highly priced and
command large prizes.
} BEssrMER steel is made Ivy blowing air
through melted cast iron, thus hlunln8
} silicon and carbon out of the cast IRON.
After the silicon and carbon Tre burned
> out. melted Slicgclrisrn or fGrrO-?uanBa-
1 ncse Is added to the charge. The car
= bon in tic spirgcl rccarhonizes the steel
- to tho desired point and the manganese
n unitcs with and removes the oIYge%
n which the mir used leaves i'll the steel.
Il A NEW file should always be llscI wiSl
J. n liqht pressure until the very thu
q sharp edges are worn uIr aitor which {
q heavier pressure may he used with mucl
y less danger of the !ccth crumbIing a
- the top or breaking of at the base
l. Every iil"r should keep Il partially-worl
l. file to use first on chilled surfaces o
X gritty skin of castings, or Oh wcl'
II where boraX or similar 1luXcs have beer
IL employed, or on the glazed surface O
y saws after cumming.
, BLISTER steel is made by heating bar
=" of wrought iron. bcddcd in charcoal, II
:, hcrmcticaly scaled chambers. The car
10 bon of the charcoal pcnetrates the no
- iron. converting ii into Il crystalline mas
- of crude steel. Large bnstCrs rise OF
> the surfaces of the bars. giving the nam
3 blister steel to this product. German
y steel is blister steel rolled down mt
~ bars. 1t is used mainly for tires an
- common springs, but is being rapid
~ superseded by the cheaper g IdeS @
- cast steel.