The Morning examiner. [volume] (Ogden, Utah) 1904-1910, 1909-06-06
SCIENCE NOTES

A minor drawback conpcctcd with the
nse OF the electric natiron has been found
TO be IN the fact thnt the temperature
varied considerably ns II wns passed from
one plecc OF work to another containing
more or less moisture This has now
been overcome by an automatic means Of
control by which the temperature is main.
taincd Mt one point within a fraction OF a
degree. When the 0atiron Is In csc u
large amount of current is permitted to
pass through the heating coils, but when
ever tho heat rises unduly switch auto
mnticnlly introduces the resistance ncces-
slry To- cut down the current Besides
being a great convenience. this Innovu-
tlon makes the operation more econom-
iCal
The smoothncss OF tho Skin" Of rac-
Ing craft has been Increased greatly by
recent innovation which has been
made use of In the construction of the
nov Shamrock 1t Is In the use Of what
Is called slip feather" In dlllng up
the seams instead OF putty. The "feath-
or Is a thin slip Of wood. covered with
coating Of glue and driven into the
seams. After drying thoroughly the sur
iacc Is plcocd of and To all intents and
purposes the hull Is QUO solid piece Of
wood, IL is clnlmcd that hull of this
character behaves much better under &C.
we're strain when c0ulEins often works
Loose
A new betting material has recently
appeared for the purposes Of power trans.
mission, which ~ SpId 10 have advantage
over leather which hns always been re-
Gardcd as supreme for this work This
betting ls composPd Ur parallel strands Of
specially made steel wires. each strand
covered With 1nc hemp parliu, the strands
helng bound together NJ regular intervals
by cross strnnds OF hemp nber Each
strand consists Of from To 10 wires. an-
cordinG 10 the strength or horsepower de
sired The theory Is that the belt com.
bineS the strength Of steel with tho high
cochclcnt or friction of prepared marlin
resulting In the highest Transmission quail
ltlcs. Among the advantages claimed for
inc hcltlng Is saving In the size Of
pullcrs onc-half the width of belt being
required AZ compared With common bell.
Ing, resulting In eccbomy of space and
weight, the new betting Weighing one
ooh OF 'enthcr belt Of equal strength
AZ Fnlun. Sweden. nre tho Headquarters
OF mining company with history so
remote that the date of its origin cannot
be definitely fNed and In n ramphlet re-
Gently Issued dealing With the history
OF The company IL modcstly claims to he
ing one Of tho oldest compa nics In the
world. ~ Its Iron and steel works nre now
concentrated nt Domnarfvet II is the
oldest stock company In ScondipayIn and
one Of the oldest In the world The dntc
Of its establishment cannot bc exactly
bIcd but an original purchase deed dnted
In the year 1885 has 10 do with seIc Of
stock In the company, and charters given
by King MoCDuS Of Sweden and Norwny
are dntcd February "a. 1347 At that
time the compauy'S rights granted nv
King Magnus' predecessors were referred
TO ms very old The original business WINS
the manufacture OF copper, and the mine
al Falun. Stora KopporbcrGet" uhc
great copper mouutaiu). has been contIn.
uously worked for nearly TOO years In
this time II has yielded about 800 600 tons
OF copper, l55 tons Of silver and - tons
OF gold, the whole representing a value Of
1,co,oo0,oD0 kronor or about S27I 900. .OOu