The Potter journal. [volume] (Coudersport, Pa.) 1857-1872, 1859-08-25
A Column of Interesting yarfe-
Ties.

The book in the library belonging to
Che British Museum occupy II miles of
shelf.-The painting and sculpture gal
leries of the palace of Versailles extend
over six miles.--In the course of three
and half years 30 900 trees we're fclled
in order to get at the gutta- percha.- The
eyes of needles are punctured by a ma
chime which, superlntended by one boy,
can punch 10000 in day-A ray of
artificial light travels at the rate of 10000
leagues in second of time.---Astrono
mers have given the rate of solar light a,
1872, 500 miles a Second.-In the form
ation of single locomotive engine there
are over 5000 pieces to be put together,
and these require to be as accurately
adjusted as the works of watch
Every watch consists of at least 202
pieces, employing probably over 200
persons, distributed among 40 trades-to
gay nothing of the toolmakers for all these.
Gas-liahtiug was unknown in 1900; it
was not until two years after this that
Murdock made his first public exhibition
OF it in London. Since that time his dis
eovery has encircled the globe. In Eu-
rope and this country all the principal
cities and many large towns are lighted
With 1t; and even New Zealand villages,
where no white mar had built his residence
in 1900, are now Illuminated by the same
subtitle and beautiful ageut of human
comfort and happiness-Every pound
of eochineal contains 10000 insects boiled
10 death 100000 pounds are annually
used for scarlet and crimson dyes.-
The odornus matter of flowers is infam-
maple, aud arises from an essential oil.
When growing in the dark their odor is
diminished, but restored in the light, and
ID is strongest in sunny climates. The
plant konown as the frocmella takes fire
in hot evenings by bringing a fame near
its ruots.--At present there is no really
successful yentilating and dust excluding
apparatus combined for rail road cars.
Much ingenuity has been dis s2layed, and
many patents have been issued for devices
for thes purposes, but as yet the system
needs to be perfected.--The NATIONAL
road over the Cum berland mountains is
moro extensive and durable than the
celebrated Appian Way at Rome.--
TO find the contents of cask iu imperial
gallons, gage the bung diameter and
multiply its square by 2. To the product
add the square of the head diana er,
and multiply these by the inside length
Then divide the last product by 1893
for lmperial gallons. The Julian aque-
duct of Rome is two miles longer than
che Croton aqueduct Of New York, bu,
the Croton carries more water than all
the seven aqueducts of Rome put together,
and more than any other. r.aqueduct in the
world, and is longer than any other, ex.
eepting the Julian.-The Illinois Cen
trail Railroad is the longest line ever con-
structed by one company, and in point oi
workmanship is equal to any European
Ioad.-The stone arch over Cabin
Johns Creek on the Washington aqueduct
is about 80 feet greater than any other
atone arch in the world, and is more
beautiful in proportion than the arch
over tho Oca, in Italy, so long celebrated
for its maguifcenee--The tunnel on
the summit of the Pennsylvania Railroad
was q more difficult work than the tunnel
under the Thames The structures on
the Baltimore and Ohio Railroad, at
Harper's Ferry, and the Starrucca viaduct
on the New York aud Erie Railroad, are
equal in naenifcence to anything Brunei
ever did in England, or Moran in France.
The suspension bridge over the Niagara
&Terl At llevistoEn, is l,042 fecs 10