Worcester daily spy. [volume] (Worcester [Mass.]) 1850-1888, 1854-05-15
r. ecord of Science and Nee hnnic Arts.
PREPARED FOR THE DAILY SPY.

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Scarcely any of the modern mechanic arts
and appliances can be named, which has con-
tributed more to the comfort and convenience
of the human race, than the manufacture, by
skillful application of chemistry and machin-
cry, of India-rubber material, into the various
articles of household use, clothing, &C., sc.
his questionings speedily removed, by visiting
the splendid warehouse of Messrs. Rogers and
Wyckoff, No. 90, Courtland street, New York
City,-the successors of H. H. Day,-where
are to be seen, in unrivalled perfection, the
innumerable Celebrations into which this fab
ric is now wrought by that eminent house.
Messrs. r. & w. have obtained for their es-
Enlistment solid renown, both in this coun-
try and in Europe, not only for the extent
and variety, but the superior artistic elegance,
durability, and cheapness, ofits wares, and for
which it has received the highest awards from
the principal mechanic institutes and associa-
tons, at home and abroad.
MIR. Samuel Owen, to whom Sweden owes
the Introduction of steamboats,, died at Stock
holm, lately, at the age Of so.
A large convention Of ship builders, was
taking measures to effecta change in the laws
of tonnage. They passed series of resolu-
tions, asking the cooperation of the ship
builders of New York and other places, tojoin
with them for repeal of the present law of
ship measurement.
Messrs. G. Bridgeman, of Pittsfeld, Mass,
and w. H. Allen, of Brooklyn, N. Y, have
! invented new substitute for stone and brick
as building materials They manufacture
blocks composed of peculiar cement, mixed
with sand, fine gravel, or broken stones; these
materials are compounded and moulded in
dies,-which may be made to form an orna-
mental surface on the blocks,-and then they
] are subjected to simple drying process.
At late meeting of the Societe d'Encour-
agement pour rIndustrie Rationale, of Paris,
paper was read. setting forth plan for max
ing paper from wood. The bark is taken off
the wood, and the wood cut in such a way as
to be easily made into shavings; the shavings
are then cut very thin, placed in water six or
eight days, dried, and afterwards made very
fine by means of corn mill. In this state
they are mixed with the rags, which serve to
prepare the pulp of paper, and the ordinary
operation of paper-making is proceeded TO-.
AL white woods, such as the poplar, lime, land
willow, are used.
A Polish physician in the Turkish service, at
Kalafat, has made most curious and impor-
tant discovery of species Of camera, or opti-
cal telegraph, by which perfect reconnoi-
sance could be effected at an incredible dis
lance. 1t can, it is said, be used on horse.
back with facility; and the Turks have as
many as 400 persons employed in this way
about them.
Covering church yard to the depth of from
two to three inches, with coarsely-powdered
charcoal, will etfectually prevent any putrid
exhalations ever finding their way into the at
mosphere. 1t also greatly favors the rapid
decomposition of the dead bodies with which
it is in contact, so that in the course of about
six or eight months, but little is left except
the bones. These facts are worth remember
ing.
A gentleman, residing in Windsor, Vt,
practices new mode Of fencing, combining
cheapness, durability, and utility, as follows
He brochures stakes of suitable wood, five feet
in length, and sleeps the lower portion of
them in a solution of blue yitriol--cne pound
to forty of water this renders them almost
indestructible by the natural process of decay.
He then drives the stakes into the ground, at
distance of eight inches apart, bringing the
tops into straight line, and mailing upon
them narrow strip Of board, using one nail
for each stake.
To solder cast steel.-Put one pint of mu-
ratio acid in an earthsn vessel, that viii hold