New-York daily tribune., 1861-08-24

intelligence. produces ininile variety OF the noet
complex patterns Of engraving with absoutc precision.
Is work Is perfect In the mnue eft line, that IL
IA impossible 10 initiate il by tho baud, aud IL Ia hence
regard az the safeguard against countsrfeng
Willie IL Is impossible In paragraph give tie geue-
raj public an idea Of complex mschine as this, II
may be bdsfy explained consisting of three sep ,rats
''motions' combined which move carriage on which
lies the oval chuck, to which is attached the steel de-
The wlole ia driven by one main shaft with interue-
date wheel,, aud the alternang aud combined mo-
tons press the die against fixed graver, or tool, in
such way that any required pattern may be produced.
MAKIrG THE "ROILs."
While the steel die is being engraved by band, or by
the geometrc lathe ts temper is so as To readily
receive the engraving but when this is completed the
die is pat through fire and water and made hard as
poerible. !. IA then placed In press which exerts
force Of nine tuns each square och, and roller oil
so steel guided over the surface as 70 take mp the
Impression from tho hardened die. The process u ex-
amlued aentiSoly through the magnifyingglass, aud
the utmost care aud Judgment is required to see that
the impression lie transferred evenly In every part This
roll in its turn hardened and is then ready 10 repro
duce ,he engraving its surare on the to steelpses
ad iafa,hm. Thus it, in the present instance, IL
were neeessary to issue avery large number OF Gotes
within the brie!es possble tms the dies could be da-
pca.ed BY the soore and ech used in separate press
70 rint off bank-noes. TGess rolls being kept IN hand
.he des csn be ires1ened mp when worn down by nse
OF new ones made with perfect ease whenever re-
ql.red The lettering is drawn on tue model, ana
copied BY band dies, which are hardened, taken up
on rolls and transferred to plates s IN the case OF
tie yisnettes OF geomeirc work.
BANK-SoTE PAPER.
The papsr FOR bank notes Is of peceeeity made from
the very best ,tock and very heavily sized, TO rem
der 80 npervcus to tho prinDg-ink that the uPres
scn on one side will not str;ke through snd mar thtt
On the other 1t also makes the paper moro durabio
and fl for general circulation. IL comes from the mill
in hcets large enough Tor eight notes. but is cut mo
halves aud fjnI notes printed on each piece. Inc
sbee;s, ia Compartments suitably labeled aud num-
bered are kept in large room by Themselves All OIL
them eouu,ed on receipt from the mill, and caeaiy re-
counted and charged when delivered to the distributing
rom. A stock OF about q million sheets will be con-
SANITY on hsnd 70 long this mammoth contract Ia
unfldlled. From the distributing room the paper gees
IL tho priners each Of whom gives receipt Tor the
number Of blank sheets no takes and 10 credited With
tho perfect aud imperfect n0tesbe returns In this ds-
irbutng there about score Of men and g1rs
half Of whom sre solely occupied in counting ths blank
bheels gwen out and impressions reinrnen.
PRINTING THE NOTES.
TIE die Of the Treasury Note being completed in
every part und having received is final touches fon
tic hand Of tie skilled chief ensraver, given IN
eharse Of tie printers Of these there ARE nearly one
hundred already at work. and more will be added as
the plses are completed and the delivery Of notes be-
comes rors rapid. They work in pairs al hand-Presfos
usually man and girl to each, toe man doing the
4 -. t..fy, doll.
u The DE. and the gs the nicer task II wettng the
payer and eataIly laying s on the PREPARED die, and
removing !, when printed On The face II ,hs Govs rn-
men. notes two co'orS ussdblack for tie portraits,
ygrel.es and part Of the lssriug and green for the
r,omelrcl groundwork snd' eaIn portions Of tas let
tesag sad geaeL desisn. On tho bscs, which is a.
rios, covered with geoinelrca-lathe work, the Only
color p green. The ojec. Of usug these two co ors
a, ou 70 eiYs certain pocnli.sity Of appearance to
tho Government -.ass and 10 guard against counter
isl,ng by pbolgrab or otherwise Tus sud 10 effect
ivs.y accomplished by tbs enpIoyuer, Of tie peculiar
ps,eaie green tint, cf which the American BGna Note
Company have the exclusive as. IL 10 claimed for
THE ink .tsl is uusicrablo by ito setiOn Of light.
air or suphuroVs yapors nsolusbe in nitrc muriaric,
or other sds OF IN oaustc akAles and only soluble in
boiling OIL Of yrio that unlike all colors heretofore
u-d for similar pnrposs /, resgs every known agent
which can be employed to dnsolve il from the paper,
or change rs eoof and that IL only be osaoed by
sstajyiny the appearance Of tie note document
which &. Is printed Each note bls 90 through the
rrc-s three tuestwice 10 print the black and green
or tie fee, and FOR the green impression on the
back.
DRYING AND NUMBERING.
Az s as printed the notes ars counted and returned
10 tho finishing room where their receipt 10 duly
know. EDGED They are bad 10 small packages cD
q rack 10 dry sufficiently TO allow Of their being han
died th.E counted and en taken 10 the dr., ing room.
Tbs l. a small chamber, with fsse floor, under which
arc seamppe. to heat the air OF the At side
il sorrs OF vertical wooden frames sliding forward on
rails, ike tie "foding-doors" Of parlor and when
pushed in ftng with toerabe accuracy 10 each other
They are fitted with horizontal wites TO which tue
damp notes ace hung by oTdoaIy clohsSPins, and toe
Lct cir pas.ing from below circulatos through the
,hset 20 as 10 dry them az e,ctnay in twelve hours
"a in full four days by the ordinary process shaf
admit, cold cir below to force the hot air to rise
steadily, and venillto in the roof Of the chamber
suffers all moisture to escape The dried notes are now
laid separately between sbee,s Of paseboard, aud in
bydranlc press submitted pressnre Of 500 uns so
a, 10 make them psrfecly hat and smooth. From the
pre.s they 20 to be num cred in regular rotation by
machine that inks f.f and changes its numbers with
unenne precision. Tie note is how completed and
ready for delivery. All thss remains is to put them up
10 bundles and send them off to Washington for sgna-
ture and ssns.
The order for bese notes VAS only received by the
American Bank-Noto Company on the 25th Of July,
but n pon. Of fact the work could only be commenced
in oalues WREN Secretary Chase made his recent visit
IL