File:The Civil engineer and architect's journal, scientific and railway gazette (1839) (20466389218).jpg

Title: The Civil engineer and architect's journal, scientific and railway gazette
Identifier: civilengineerarc10lond (find matches)
Year: 1839 (1830s)
Authors:
Subjects: Architecture; Civil engineering; Science
Publisher: London : (William Laxton)
Contributing Library: Northeastern University, Snell Library
Digitizing Sponsor: Northeastern University, Snell Library

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90 THE CIVIL ENGINEE AND ARCHITECTS JOURNAL. (March the purpose of making floorings and wainscotings, or panellings against walls, it is preferred, before fixing it, to fasten each sheet of the mosaic, so prepared, upon a separate suitable ground-work or foundation ; for this pur- pose a double set of thin boards, glued or cemented together transversely to each other as to grain, does extremely well. When used as a loose covering, it is fastened on to a thin surface of papier aiache, or felt, or a preparation of India rubber and cork, known by the name of karaptulicon, or other suitable material. The material we have named throughout the description already given of this invention, as the surround, ing material for the square or tessera, has been confined to cork, and which is the material preferred by the patentees; but any other material which may be of an elastic or easily-compressible character, such as caoutcliouc in its various stales of preparation, or soft leather, papier-machu, felt, gutta pcrcha, and other materials partaking of the like properties, will answer the purpose ; some of the materials here referred to for surrounding each of the squares or tessera, may also be applied in a fluid, or soft, or plastic state, and poured or pressed in between the squares or tessera, instead of being applied in the way described. In diagonal work, where the tessera of the mosaic is otherwise than square, it is to be made up in the usual way of preparing and forming inlaid work when made up into blocks, except that the elastic and easily-compressible ma- terial before described all round each tessera, is introduced; and where com- bined with work in square tessera, as shown at fig. 7, ilie principle of mak- ing up the pattern is applied, when formed of square tessera as already de- scribed, as far as it may be practicable. Fig. 1. T.---V, -;/--2
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