Iron County register. [volume] (Ironton, Iron County, Mo.) 1867-1965, 1884-10-30
SCIENCE AND iNDUs4Rs~

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@The stocking-darner Is the latest
4ventfen. = hicago Jous15u.
Tic ausdricycleis the nAme given
20 q wheeled vehicle Invented by James
u Brown. of Boston. 1t has two small
wheels in front and two large wheels
osplnd The inventor says that it is
taE superiorsto the bicycle or tricycle.,
- Experiments with the. electric -
ncoal mines. made in PennsylYS1ies
ave nesp quite encouraging: Its be.
AeveQFthe use. of the new light in -
. the miner lamp WI reduce the liza
oa.Y ies mines to ire damp explosions,
Paitaaeip hfa Press.
Arr engineer IN michigan has in
vented an attachment to steam cylin-
uers which eondenses the waste from
me steam cock on starting the engine.
.gFAtaees away with the Kissing noise
80 zwhIeh lfEightens horses and worries
men.@Ds.foi: Pos.
-spenges which are Kept for a few
nsurs in a solution of bromine (made
by adding about ten drops to everya five
ounces of water) acquire fine tight
.ss+HnfSw which may be still further i'm
isTz proved hydipping them IN dilute sqqlz
phuric a id and then washing them
o. sas well fhwate r. e Boston Gsobe.sa -
The French railway companies are
aboutto ADOPT an electric gats opener.
A catch connected with an electro mag
ass qnetskeeps gate closed. When t. train
approaches 1t closes the circuit re-
: leases The catch and thega.e flies open.
shretgh opens the circuit and the gate
again closes. . The same device rings
bell violently on the approach Of each
IL 1Ats-M adame. Delong-Tuyssusian, of
e France. has. after experimenting for
eighteen years, succeeded in construct
ing an instrument by which it is pos
slbIe to cIlt metal plates of considerable
ass thickness in any elaborate pattern OF
stt:E design. She has received eighteen
medals and diplomas at different Eu-
ropean exhibitions, and her inFentien
lsFery highly praised by French archiz.
Hcts- - -
EsE 1t is found that the seaweed known
as ''zostera MARINA" or wrack, can be-
made to yield, by treatment with min
eral acids.a Substance quite resem-
Kggss bling horn, capable of being manu-
featured into forms and of receiving
color from pigments. This substance
a. is called algin, from alge, the generic
name of <ene common species of
weed The crude material oataina-
BILE in large quantities on all exposed
shores. 8
according TO the Lstnabernaaa's Ga
zetie, paper bottles are now largely
manufa tured in Germany and Aus
80 tria. They are made of rags, wood
8 pulp, and straw. rand are coated on
both sides with defribrinated blood
lime and alttmina. They are manu-
featured in two parts, and are submit
80 ted to high pressure. When COM
pleted they will hold spirits, etc, and
- 7szy ~ .s,...',. s.s.,, s..s=+. ss.,
composition of sand cork and lime
nodded into blocks is now on trial in
Germany for building light partitions.C
tt said to have the advantage of ex-
.vis. aeludng sounds better thanI ordinary
-s.l nrack WORK. Whie =pelng1 hghC anu a
Il, good non7eonductor. But a compost
ton of hardwood sawdust applied on
lath like common plaster is cheaper
than the German method of construct
ing partitions, is much lighter, and has /
. other desirable qualities sSA