The sun., 1894-10-21

luton of chloride Of sodium Ia flowed over the
and, TO Az. ths exposed surface is turned down.
ward IN a nat dish containing a little. hypo-
II Is immersed IN a ssturated solution Of chrome
dry. again flowed with the dilute rubber solution.
A novel and useful departure s TO be noted
In the construction Of heating Ras burners Of
the Bunsen type, the new feature consisting In
having outside Of and surrounding the flames
metal tube with air-receivinR openings tie
under surface, and air-discharGng apertures In
its upper portion, impinged by the name, thus
effecting more perfect combustion and produo-
ing an intense heat. IN Nhe sss supply tube,
fitted IN q suitable base, IL conical nozzle,
rounded by the chambered lower end Of . mig.
ing tube near the bottom Of which are cir sper-
tures. while in It's upper end is inserted the
threaded portion OF the burner: the latter con.
sists OF q casting with lateral apertures through
teryais the top OF the casting being closed by
disk which rests upon the lugs and V secured in
Sy Sy ros and may Of
oval, circular, or triangular section. the lower
scSsfa. ThTs BE s%e an i%pns
Ing upon the hollow ring or tube, reises II 70 a
the air discharged thersfrom to minele with the
gas OF the flame.
Manufactories OF the new abradsnt known as
carborundum are being established In Europe, II
appears the superiority of the material for dem
lists wheels, ground stopper lamps, eo-, being
abundantly assured. The proportions OF the
different Ingredients used In its production are
stated TO be twenty parts coke, twenty-five Of
sand, and Ave Of salt the mixture IL placed In
furnace and subjected TO the intense heat pro-
duced In q central core of carbon by the passage
Of a current Of electrioity-this core, formed Of
broken coke, being placed In the furnace in the
centre Of the carborundum mixture which y In
e Ss OF aS9M Ss ss ssS
introduced to the core By mean: OF rods OF car.
bon; From ten, ten TO ,h fourteen a,!n h9urs =, are
na9 1G5n9Hce the ,ssnpe.ss being rm2 from Sno
the ,Ss the
are separated 6y a crushing action, and are then
seres 81 sSs1
are sized or graded; the graded CRYSTALS are
PsSe& ss wHfS seI .s Ssns nrs
{; ~ the SS nss Fl the
intended for metal or machine work are turned
stee or %tS diamond point tse princps
either case being to tear the crystals from the
One Of the greatest as well as most important
public works now and for . long time past in
contemplation Is that Of ship canal between
Bordeaux and Narbonne-that Is to say. from
the Atlantic to the Mediterransan-e project
which has been 90 frequently discussed that
much interest has been created by . recent
definite statement showing the dimensions Of
the work and its probable cost This statement
is made on the authority of NJ. Reno Kerviller.
an eminent French engineer. who estimates the
length of the canal at some three hun
dred and twenty miles Prom sea TO sea, its
hra IN faaf md nf frnp
dimensions admitting the passage Of the largest
ss. ~ @o
iSnS at intervals Of every eight miles % a - 20
these being about eSS feet long BY so feet
feet. The ships using T the % oa1ai are to Be .oWes
or to be drawn along By fixed engines. Accord
1s 9 Of
to the finish over $16o,o0o.Ooo.
An improved system of chlorination has been
brought to the notice of Australian miners. In
the tests employed, wrought-iron barrel lined
with lead was used. through which passed
axially perforated tube lined with asbestos;
attached TO this barrel was placed q smaller one,
also lined with lead. and flttsd with . steam
Jacket in such Q manner that both barrels could
be rotated by the same gearing at the rate Of
about five revolutions per minute. The damp
manganese dioxide, salt, and sulphurio acid In
the smaller one, before commencing operations.
In this wav the ore, It Ii rotated In the larger
barrel. is saturated with chloride as II Issues
from the central tube. and, when the evolution
OF gas becomes slow. the steam Ii turned on TO
hs 3; thus the
the enclosed air and insure 2 strong chlorine
ment has been found sufficient for the dis
solution Of the gold in the ores at the end Of
that used for drying sugar. After ieaohins
the Or Into
leading TO the waste failing heap. The gold 10
tank Of a rectangular shape, through which
spindle is driven from corner TO corner. Zero
teachings in this tank, and the precipitation OF
the gold Is completed In ten minutes. A tap in
and base metals run through . sand 6itsr. and
the oil containing The gold IN suspension passes
msdisteiy separated and ready 70 Tor u use > over w
frcm which 1t is scooped out and melted.
An improvement of practical convenience In
textile machinery Is mechanism for automRti-
cally lubrcatng the spindles Of apparatus en-
ployed in cap-spinning and twisting frames. In
this arrangement a bracket Is provided having
In rs centre a wooden bush. the position OF the
prhcAct Dcihs oNcr Tue spinulo OF tuDe ana rest
ing upon the lifting rail, while at side Of the
metal bracket is q cup-shaped projection COM
municatnR by an opening with the spindle.
The lubricant Is poured into the cup. and passes
through the opening To washer resting on the
lifting rail and under the bracket. that, the
rail rises and falls, the washer, which is satu-
rated with lubricant, supplies the necessary oil
to the spindle. TO prevent the bushed bracket
turning around with the spindle IL 10 furnished
with lug arranged TO be placed on one side OF
the lifting rail-
recent addition TO the picking mechanism
OF looms consists OF q metallic buffer, with
check-action attachment, placed on one end Of
rod, the other end being fastened to the picker.
On the head OF this buffer Is a eranked arm.
which slides on rod in frame with spiral
spring, the frame being fixed TO the loom in any
suitable position; a leather washer is placed on
the rod below the cTanked arm. The spindle on
which the picker slides Is fixed 10 the spinhlS
stud and attached to the shuttle box by bolt and
nut, and loose collars are placed on the rod
"a he aat