The Red Cloud chief., 1909-03-25

quantities or at n cost below that OF
fact the artificial diamond is more
Of "A luxury than the real article, al
though the production Is an achieve.
ment to be admired, and to make man
feel that he has done something. On
the other hand, however, the sapphire
of NJ. Paris Is a commercial article, and
Is produced In commercial quantities
and at SO small a cost that 1t is be.
lleved that new uses for the stones
Will be found. They have all the char
acter Of the stones of nature. They
have the color, the hardness or spe-
ciflc gravity of the genuine sapphire,
and can be sold at a figure below that
of the NEST inferior natural stone.
The success of the discovery Is be.
lieved in France to foreshadow the
manufacture of other precious stones,
and TO- 1t Is believed that fabrication
of the pure carbon, which Is to say
the diamond, Is measurably within
view. In this prophecy 1t may be that
the Importance of the discovery is
'NNiNSNiiiiitu' stt II olioWS Nhal IL
electric current, OF by means of a RAJ
dio-active substance. Is unnecessary.
NJ. Paris accomplishes his wonderful
demonstrations by means of the com.
mon calcium furnace.
In beginning the operation NJ. Paris
uses most delicately balanced scales,
so contrived that they answer to the
,.,nragt fr,,tt,u 90 ,tIInr,aa,n
This part of the operation must be
conducted with the greatest attention
and with preciseness, for the variation
of a millegramme too much or too lit.
tie of the powder "a the failure
OF the experiment. Into one of the
buckets of the little balance the in
ventor puts his powder, composed of
two parts, n Of them of an alumni.
clay and the other OF an oxide col,
oring substance. Here Is the real Sc,
cret OF the Operation-the peculiar
kind Of clay TO be used and the guam.
tity to be mixed. These are small, for
the stones 9 being manufactured
are comparatively small.
The next operation Is to place this
soft powder in crucibles made of q
refractory earth. This crucible then
Is deposited In a furnace heated by
~oxy-hydrogen gas by means of a shov
ell with a long handle. This resembles
the implement used by bakers to place
their dough in their ovens. The cru
chile. which is placed In a heavy oil
Is left In the furnace for several hours
where 1t is attacked by a heat of LOO
degrees centigrade, or about 5000 de
grees Fahrenheit.
After a lapse Of time necessary FOL
this stage Of the transmutation to bC
completed the crucible is withdrawn
and its contents placed I'm a jar termed
a "semeuse," which may be translated
as meaning the terminating recep
tacle. In shape II is not unlike a flow
er pot, and also looks like a large car
fridge. The operative puts more pow
der into this "semeuse," and then
after sealing It, places 1t In a special
ly designed oxy-hydrogen %blowpipe fur
: mace These furnaces are protecte,
) by a sheet.iron front, and are watcher
constantly by women operatives. Her,
the temperature Is only about 1900 de
grees centigrade. The powder is a
lowed to drop slowly from the support
: ed jar through a funnel to the hea,
ed point of a blowpipe, and as II fall
y the drop is formed by contact wit
the free air into a beautiful blue an
u translucent sapphire.
1t is then ready for the Suttins
q which proceeds in exactly the sam
u manner as with the natural one. Thes
q artificial %sapphires have been foun
u to resemble in the cutting the real a
U ticle. and excepting for the shape, the
y would resemble the genuine ston
z even I'm the rouph