The Iowa plain dealer. [volume] (New Oregon, Howard County, Iowa) 1867-1895, 1879-06-20

1SniA N sAid u rc~sc~ convenient
tree, called tho "karaa," which In used
- = telegraph pnat. When cut down
In branches partially removed and stuck
In Tho ground, II readily takes riot
thus checking the ravMgrs ii The white
ants aud becoming living telegraph
post.
A coRREsroxDExr NJ tho Rnrai Ner
forke- says: II have sccn salt recon.
mcntlcd 10 be eaten with walnnts, ND ~
to prevent indigestion, but I think
prefer eating tho wAlnuls without any
such condiment. II lovers of nuts III
any kind will drink cup oi sweet milk
after eating them, they will not expert.
encc amy unpleasant sensations, and can
eat \ great many more with impunity. |"
4 GERMAN periodical N responsible
for the following method of making
malleAhlc brass: Thirty.thrcc parts oi
copper and twenty-five of ximc arr a.
loyed, tho copper being first put into
tho crncible. which Ia loosely covered.
A soon N the copper II melted. zinc
purified by sulphur is added. The III.
10y II then cast into moldimg aand In
thu shape of bars, which, when sill hot,
will be found To bc mslleablc and cap.
able ii being brought into any shape
without showing cracks.
NJ. TgRQrEM, . French artisan, hns
originated = method OF writing ON glass
with common or India ink. The glass
II heated over 4 spirit lsmp, or ga, until
stear, ccasex 10 bc deposited on Ii, that
il to ray, 90 deg. 70 w deg. Cent. and
vArnish, composed of eighty grxmmcs
of alcohol ~ fb deg. four grammes u
inastic In drops, and grammc III gum
HandarMc hcatcd together IN flask, IL
then applied 10 tho glass, after tho III.
tcring III tho varniAli; tho latter IN very
hard. and becomes brilliant and com.
plescly transparent. hut. II applied cold
to tho surface u glass. u remains
Opaque and al,.orbx ink. A sheet of
slass thus prepared may bc written mp
ON with ink, but must afierwnrd be
dipped In very thin gum water.
Fgw persons familiar with old books
have failed 10 observe dark s,,ccks here
and there upon, or rather within, thu
substance of the paper. which, upon
close examination, especially with .
lens, are seen 70 have the same drndrisic
appearance thAt wc iind In moss agatrs,
and upon the natnrally.iractnrcd snr.
face of other compact rocks. II In we'll
known that such markings on the stone
arc generally produced Nv M oxide "
manganese; and tho similar markings
upon tho paper arc doubtless due % the
same causc. Tho following ii suggested
m an explanation DiOxidc Of man
gAnese In sometimes nScd In some of the
processes of bleaching tho pulp. MI.
nutc portions II tho mineral would nat
urally remain In the manufactured ~.
per, which by slow reaction would bc
restored To nm oxide again, ip the pro.
eess of which II would assume iis
characteristic dendritic form.
PEMopIcirY IN COMMERCIAL CHlsgs.
1t may bc accepted ~ pretty we'll dc.
termincd that there II pcriodicity oi
commercial and industrial crises: ihat
they occur with singular regularity
after certain lapse II time. Prof.
STANLEY Jcvons hax found that In pc.
riod u l65 years ! crisis took place
every ten years. Why crises thus occur
II yct unknown. III Jcvon'. opinion
neither wars. trades unions. excessive
spccnlationn. luxurious living Or ANY
other of the commonly assigned causes
can bc regarded ~ sniIicicnt. Any
physical explanation II yet merely
speculative. In examining Il problem
of this kind II appears ~ lH difficult Tor
NEST writer's to avoid confounding the
caiisn e0gnOsccnu with tie cnnsn en-.
sendi. Others, departing altogether
from the semblancc even of scientific
method, lay the responsibility of 4
crisis on the shoulders III some class ol
persons who arc really ~ unable oi
themselves ~ srreAt or occasion u n 4
mole 10 i:lhnencc tho inclination of the
eartl,'s axis. Most u tho pseudo ~
plantations can b. readily exposed by
showing that they DO not iake into ~.
count Ill the facts that what may ~.
pArcntly suffice for what II local aud NJ.
lional fails when applied over ihc whole
area VI : crisis. Tho pc1iotlscity oi
crises II yet m nnsolycd problem oi
/ a Ia