The Fairfield herald. [volume] (Winnsboro, S.C.) 1849-1876, 1868-05-06
a Scientific and Useful.

COST OF GAS IN ENGLAND.-Tho
London journals are complaining of The
poor quality Of their fourtcen candle
gan, Tor which tic people arc charged
what seoms to them the enormous sum
OF 81 to 81 II per thousand feet | They
cite the case of Manchester, where ras
OF twcnty+two.candle power is furnished
ior soycnty.cghj cents Il thousand !rcet,
and OF other towns, where gas better
than that of London is made for about
:fty cents. The Manchester gas works,
Which are instanccd ns especially admi.
rable IN every respect are, with the
water works, managed by the corpora.
non, and the profits accrUing from the
i"rmer are devoted to the CITY and street
improvements, oi which many already
, have been made from that source. \
strong cilor, has been made on the part
OF The corporation OF London to obtain
authority To take possession of all The
private gas works m that city and ope.
rate iirm. The bill proposed provides
HAT Ilsr illuminating power Of Ike Gas
! Shall bc OF not less than eighteen can
dies, and he practically free from inDu-
ntirs HE prtces mentioned above are
gold prices.
The Basis OF oil Artificial Gems /,
sad. ~ he a ml%turo ot oHc and 4 half
ounces pure quartz sand, SIX drachms
pure orv carbonate Of soda, two drachms
OF c"Icinrd n"la%, one dracitD OF salt
fetf%, H&d ;.'rG" ,iraUhu.3 ol nurc mtnium
or l'd lead. These melted together
with certain precautions, form II clear
transparent S'nss, Of brilliant lustrc.
which L. melted with various culorine
matters, to initiate different precious
stones and ground. Thus, Il sapphire
10 produced by adding to the above ten
grams OF carbonate Of cobalt; a0uama.
rlnc or hcryl by two gfains OF oxydc of
non an amethyst hy lDur aid half
grams OF carbonate Of manganese, :,
gold topaz by thirty grains OF yellow
o%ydc OF uranium, &c The culorless
g'aSs furnishes IN excellent imitation Of
:hc diamond.
y New MINERAL. III Bornco, a
new mineral has 5cnN discovered. ltis
mixed with the naiinnm found in tha,
region. 1t forms small grains or .s|,-
b"Ics Of 4 dark gray color, and Of con.
siderable ustrc. MANY orthcsc grains
exhibit brilliant crystalline facets. which
ere 'ho faces OF u regular octohedron.
The new nlnrral Is very hard and brit
Tie. 1t does not fuse before the blow
pipe but diifuscs Il strong oaor OF sui
phurous acid. 1t is to be ocallcd su,pha,c
ol ru!hcnom.
MANrFAOruKE Of ViNmGAN.-!ulh the
manufacture Of vinegar the rapi,llty Of
The process depends on The ratio Of the
absorption oi oxygen in a given time.
a new process is said to meet thc re.
qnlrcmcnts Of the case, aud to .yicld !,
vinegar Of good quality agreeable odor.
1t consists in taking half mn ounce of
dry blchlorid" Of platinum and dissolvine
At IL FIVE pounds alcohol. The pounds
OF wood charcoal, broken to the size of
q hazclnnt, arc then moistcncd with the
alchoho|, and after being heated in a
covered crucihlc are placed III tho bot
tom OLA vinegar vat. The platinum,
in Its finely divided, spongy state, ah.
serbs and rapidly condcnscs oxygen N
large oxydlzi"g the alccohol and con.
vcrtlng it into vinegar. After the
charcoal has been used Tor some weeks
it may be again heated in q covered
cr"c'bie and thus rendered AGAIN ser.
Vicnablc,