Scientific American Supplement, No. 520, December 19, 1885Various
Science
Scientific American Supplement, No. 520, December 19, 1885
Various
Science -- Periodicals
* * * * *
The strongest wood in the United States, according to Professor Sargent,
is that of the nutmeg hickory of the Arkansas region, and the weakest the
West Indian birch _(Rur seva_). The most elastic is the tamarack, the
white or shellbark hickory standing far below it. The least elastic and
the lowest in specific gravity is the wood of the _Ficus aurea_. The
highest specific gravity, upon which in general depends value as fuel, is
attained by the bluewood of Texas _(Condalia obovata_).
* * * * *
GLAZED WARE FINIAL.
[Illustration: GLAZED WARE FINIAL.]
This grand 16th century finial is a fine example of French ceramic ware,
or glazed terracotta, and it is illustrated both by geometrical elevation
and a cross sectional drawing. This latter shows the clever building up
of the structure by means of a series of five pieces, overlapping each
other, and kept rigid by means of a stout wrought-iron upright in the
center, bolted on to the ridge, and strapped down on the hip pieces. Its
outline is well designed for effect when seen at a distance or from
below, and its glazed surface heightens the artistic colorings, giving it
a brilliant character in the sunlight, as well as protecting the ware
from the action of smoke and weather.--_Build. News_.
* * * * *
WAGE EARNERS AND THEIR HOUSES.
MANUFACTURERS AS LANDLORDS.
Among the more prominent movements of the day for the improvement of the
condition of the working men are those which are growing into fashion
with large manufacturing incorporations. Their promise lies immediately
in the fact that they call for no new convictions of political economy,
and hence have nothing disturbing or revolutionary about them. Accepting
the usages and economical principles of industrial life, as the progress
of business has developed them, an increasing number of large
manufacturers have deemed it to their interest not only to furnish shops
and machinery for their operatives, but dwellings as well, and in some
instances the equipments of village life, such as schools, chapels,
libraries, lecture and concert halls, and a regime of morals and
sanitation. Probably the most expensive investment of this sort in the
United States, if not in the world, by any single company, is that of
Pullman, on Lake Calumet, a few miles south of Chicago, an enterprise as
yet scarcely five years old. It is by no means a novel undertaking,
except in the magnitude, thoroughness, and unity of the scheme. Twenty
years ago the managers of the Lonsdale Mills, in Rhode Island, were
erecting cottages on a uniform plan and maintaining schools and religious
services for their operatives. More recent but more extensive is the
village of the Ponemah Cotton Mill, near Taftville, Conn. These are
illustrations merely of similar investments upon a smaller scale
elsewhere. But the European examples are older, such as Robert Owen's
Public-domain text, read in full here on John Shaqi.
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