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8 THE GREAT EXHIBITION

perfect impermeability of the whole to moisture. A prize medal was awarded to these
exhibitors.

To Messrs. Della Valle, Brothers, of Leghorn, a prize medal was also awarded, for
a new and peculiar manufacture in scagliola, to a certain extent imitative of works in
Florentine mosaic, but applied in cases which would be impossible by that process. The
objects exhibited consisted of two tables and a vase, all truly inlaid, and having a striking
and very brilliant effect. This kind of manufacture differs from ordinary scagliola in the
much greater complication of the process, and also in the greater beauty of the result, as
the subject included figures and views, which at first would appear hardly possible to be
executed in such material, but which showed great labour and skill, and some artistic
knowledge in application. One of the objects, a round table, contained a central tableau,
surrounded by an azure zone, with several emblematic ornaments. The table itself was
of scagliola on a base of marble, each colour composing the ground, and each figure of
the central tableau having been first inlaid in a single piece, and then shaded. The
lights also were all inlaid, and the general effect was extremely beautiful. It will be seen
that the general principle involved, is that of a mixture of fine inlaying without shading.
It would appear, however, that the result, although beautiful, is almost too costly to be
generally adopted, as the price of the round table referred to, was stated to be £250.
The rectangular table, in imitation of pietra dura, and the vase, which was copied from
the antique, showed several difficulties incident to the process very successfully overcome.
The polish in all the specimens was very good, and entirely natural, no varnish whatever
being used.

M. L. Romoli exhibited a scagliola candelabrum, in imitation of giallo antico, designed
by L. G-runer, Esq., modelled by Ant. Trentanove, and the property of his Royal
Highness Prince Albert; and also a table of inlaid scagliola. This exhibitor was hon-
ourably mentioned as exhibiting excellent workmanship in the elegant and costly appli-
cations of the material he employed. The candelabrum was not altogether pleasing in
its effect, but the workmanship was good. The inlaid table was something in the style
of those exhibited by the Messrs. Della Valle, but not at all equal either in design or
execution. It appeared also to have been manufactured in a somewhat different manner.
A cement mosaic of wood and marble was sent from the Cape of Good Hope for exhibition.

An excellent imitation of stone, extremely hard, perfectly non-absorbent, and resisting
all atmospheric action, was exhibited by Messrs. Ransome and Parsons, of Ipswich.
This material is a compound of grains of sand, pebbles, portions of limestone, granite,
and similar substances, cemented by a true glass, obtained by dissolving flint in a caustic
alkali. Besides the ordinary uses to which stone is applied, a porous variety is manu-
factured for filter stones, which may be supplied at extremely small cost. The Jury
awarded a prize medal to these exhibitors for the improved material they have intro-
duced, and the applications of it they have already made.
 
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