The Seattle post-intelligencer. [volume] (Seattle, Wash. Terr. [Wash.]) 1888-1914, 1897-04-25
;EATTLE's SYSTEM OF BICYCLE PATHS.
stAe o" Mr.

and othsr base matter contained In AL
ores assists in the disintegration and dis
solution. and the precious metals ars
taken UP IN the water solution and cleo
trolicaiiy deposed 70 the copper plata. sim
liar to all well known processes OF electro
plating. The receiving plate and deposit
may then be melted into bullion.
The process. however. goes farther"
raid Mr.. Tatro. The frst vat is . sepa-
rate vat. the contents OF which IL taken
In automatic syphors into secondary vats.
where the gold and silver are separated
Only . small part OF the gold and silver
IA the pulp win be deposited on the plate;
r., pe4nt Of fact. we do not care whether
any Is Deposited there or not. In the sec
endAry tanks. however. tho separating
process viii b perfected. When q deposit
is made on the clean copper surface II win
adhere 70 II. but any trouble in stripping
the plates may be obviated by covering
them with pure rIuulSago. on which the
precious metals viii deposit"
When asked where the first mill would
be erected. complete plans for which are
drawn. MIR. Tatro said that the matter OF
building the mill lay with others than
himself. but that II would undoubtedly so
TO the neigheorhood OF some mines.
Another Process.
Another extraction process that has IN
II some features net entirely 6issinniiar In
their application TO the separation Of
metals In that ef which DR.. p. Lansham-
mer ls the inventor. Dr. Langhammer 10
q German. q cosmopolitan. who has ear
Red his experiments along the lines which
led up to the perfectfng o. his system al
ever the world. lie first tried II In Coscu,-
hia. South America en- golc-bsaring sui
pnnrets. nineteen years ago. since which
tire Re has visited every quarter of the
rIobo where there has been any great min
ing excitement. Nowhere has he found
the promises OF rich returns 50 prolific a.
here N Washington. ard. as he describe
It. 1T the very doorstep Of Seattle The
whole OIyEnPi ana Cascade ranges are
vast storeheuses OF geld and silver snd
copper. The process which Dr. Lang
hammer has protected BY patents to what
re calls q cyanide process.
The way the separation - accom- pllShfd
by Dr. Lanxhammsrs process is as fol-
lows: A vat is nearly SLED with either
black sand or crushed quartz thai woaiA
PASS through q emesh sieve, and from
that up 20 sNmesh. In the bottom q
the vat are perforated pipes. the arer-
lures OF which are on TIE lower EidA
Into these pipes - forced els per cent
solution os cyanide os potassium. satu-
rating the mass. G second bath Of great
sr strength (aS Per cent? follows. and
this in turn By pure water. From this
tank ths mass - drawn OF Into a second
vat. or tank that has All alternating cur
rent % Tire solution passing ever and IN
Ger lrsn plates, between which are hung
plates Of thin lead. These tanks are CALI
ga BY tbs inventor PRECIPITATION tanks.
ard q gentle current CT electricity Is also
tatrod uee1 xccsssrafing tire deposit On TIRE
lead sheets Of tae geld ara silvev. TIE
last plates upon which fhs least DEPOSIT
has taken place are rasveS 70 the upper
- srsfs sffsv@ -. I'D n
solutions are used ever again
In apartments which Re has tried Or.
rAnxhsrrsr claims 70 have demonstrates
rot enly IN. rrzeticAhtlity OF the scherne.
ri. SAYS that 30 ger cert CO the sssaye3
salu. Of tie ere can Se saved TIE claims