New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1873-11-18

Among other mineral substances which the chemist
has succeeded In producing artiically in his labo-
ratory NAV now DO mentioned auoride Of calcium
in crystaIlized forms, identical with those Of the
native compound. a combination Of tnor-spag and
barytee, identical with native one. well known 10
mineralogists, has also been produced.
FASHIONABLE GREEN FOR SUK-rhis new green
Is produced by anine iodine-green 18th tho add
ton OF a little water-glass. The dycing must be
carefully DONE and the silk added very gradually.
to keep it uniform. Since odinc-green is not UNI
form in quality, if the shade is wanting IN yelow,t
may be brought TO that OF lhc sample By the add
ton Of pcric acid, the article then being passed
through diluted acetic acid bath.
BuRGIAR-PRooF ScREw--A screw, adapted to
fastening locks, has been described by Tucker. II
has right-hand wooden thread az the head-end,
and smaller left hand iron thread the other end,
or rice rersd the latter being supplied with nut.
An effort TO remove 4 from one SIDE by rnscfew~
ing at the head only ti9htcng the mt, WHO an at
tempt to drive ont the the other side. after
taking Oft the nut, Is resisted bJ tie wooden threl
CHINESE PREPARATION or sOY.-Equal quanti-
ties OF beans and wheat are boiled together aud
then trituraed between stones. and water OCCASION
ally added. The mass is cooked in par, and cut
into thin slices, which ere kept covered with straw
for about 90 days. Whom completely. fernented,
the separate slices having become mo'dy, tneY are
washed with water. placed IN % vessel, ana Their
weight of water and OF salt added. In tbs eYndi-
ton they are kept for q number 81 Gays ano are
fuay again triturated between stones.
CHINESE PREPARATION OF VERMcELu-A dough
is prepared out of small green peas by soaking them
thoroughly in water and grinding them between
stones adding water and pressing them through
sieve; then subecting the mass ohtanedto pressure
in a strong vessel am, thus removing the water.
re, nit va
through gourd vessel, usually with 10 holes IA IT
into vessel Of boiling water; the hlShcf ie goufd
above the boiling water the longer apd lucl iIe YER
micelli On removal from the boiling water the
threads are Immediately drIed.
A PERMANENT PAsTE-The following process will,
it is said afford unusually adhesive paste adapted
TO fastening leather, paper &C. without the defects
Of glue; which, If preserved from evaporation In
closed bottles, will keep for years. Coyer4 parts by
weight of glue, with - parts Of cold water and al
low it TO soak for several hours; then warm mod
erately till the solution is perfectly clear and dilute
il with 65 parts of boiling water, intimately strred
in Next prepare goution of - parts OF starch IN
2O parts OF cold water, 10 form thin, homoee-
neous LIQUID free from Jumps, and pour te boiling
glue solution into Il with thorough strring, and as
the same time keeping tire mass boiling.
NEW METHOD OF IRON Misunderstanding 10 Ih
English Mechanic, a new process OF iroD-makne,
which dispcnses with the blast furnace, has been
practically tested. and specimens Of Its produce
| shown at Wolvcrhampton. The bloom IL made
direct from the ore, which is ground, mixed With
lime and pitch and baked in coke oven. This is
treated as pig-irOn, and furnace being charged
with it, il is ready for tho heye or the siueezes ID
half an hour The inventors claim that by telT pro
cess they can make ton OF finished IRON rom the
ore at expenditure ot only two tons OF coal tnat
they can make German steel rs cbeaplY rs cast-ron,
and that they can furthermore make the latter equal
| in purity TO charcoal IRON.
Hardening STEEL Tools &c.--The following
| secret, unpatented composition, suggested by the
chemist Kulicke has been employed with success at
Saarbriicken for restoring burned steel to its print
| tive condition, and as it affords peculiarly hard
metal it is also used for tempering steel tools that
| are too soft or may have become so by use. as
chiseIs. saw-blades &c Although rather expensive.
il is really an economical treatment where large
numbers of steel tools used. Burned steel heated
TO a cherry red and forced somewhat on anvil is
plunged into well-nixed doughty mass I'm box
near byl composed OF tarlaTlc acid, ounces codo
80 ounces: charcoal powder, ounces; bone black
ounces; beef tallOw 10 ounces; yellow prussate OF
potash, ) ounces, and burned hartshorn, ounces
aud is then comp teIy cooled IN water. steel TOOLS
are similarly treated Small articles OF cast-lron,
such as wheel-boxes. axle bearings, &e, may besue
cessfully case-hardened by being plunged red-hOt
into a mixture Of 10 buckets OF urine, pounds OF
whitening, and pounds OF salt.
EFFECT OF TOPPING PoTATo STAIKs-Compara-
tive experiments 10 determine whether cutting of
the stalks at the commencement Of the potato dis
ease protected the tubers without diminishing the
Weld were made by Paulsea, ~ raising one row
and topping another the same day, at regular in
tervals While the result showed that the separate
rows by like treatment without disease, varied in
yield, the topped plants bad for the most part
larger proportion Of large tubers than those that
4 ssaI 4 h, Iau 4 how.
ever that only water is taken up by the tnbers after
topping since no increase of dried matter found
when the topping occurred late that the stalk did
not grow again and under any circumstances the
| yield seemed poorer in quality and quantity than
without topping. Although the stake topped a!
| the proper time had fewer diseased tubefs, the
spores of the fungus u be carried 10 the tube
through the stalks rather than by rain otherwise
| the topped stalks would have received supply from
| the neighbOring ones. In warm dry weather ING
increase in growth IS greater than IN cool, wei
periods. Early kinds OF potatoes seemed 60 ITO better
! than late ones Heavy Manning especially WITH
| horse sheep manure favored the disease and N
creased the watery contents, and the yled was ass
\ less, although with luxurimt growth of the stalks
| DESTRUCTION or PHYILOXERA.-Tessc du Moay
remarks that among the many propositions for the
| destruction of the Phylloxera or the grapevine
louise apart from the method of flooding the roots
| of the vine with water during the Winter season.
the application of sulphur is most efficient, and thai
the method of applying this rs is customary, in is
crude FORM dOesnot meet the needs Of the case il
not carried sufficiently far into the soil 70 act upon
the insects We must, therefore, resort to very
! soluble and assImilable chemical compounds, and
this is best done by using 10 succession different
| liquids the mutual decomposition of which will re-
sult in the separation of the sulphur in naseent
| state.
Twoprocesses are successfully him for accomplish
In, nh. n no fha
i - L IL h.ta