Volume 1

Applied chemistry; in manufactures, arts, and domestic economy / Edited by Edward Andrew Parnell.

  • Parnell, Edward A. (Edward Andrew)
Date:
1844
Catalogue details

Licence: Public Domain Mark

Credit: Applied chemistry; in manufactures, arts, and domestic economy / Edited by Edward Andrew Parnell. Source: Wellcome Collection.

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    Vapour from fixed oils . . . . Arsenious acicl.—Mundic water ..... Tannin.—Durability of wood imbedded in bogs Creosote ....... T ar ....... Oil of wood-tar ....... Peroxide of tin; perchloride of tin.—Oxide of copper ; nitrate of copper ; chloride of copper .... Solution of bitumen in oil of turpentine .... Yellow chromate of potash ; bichromate of potash.—Solution of caoutchouc.—Lime-water of gas-works.—Bees’-wax and turpen¬ tine.—Drying oil and turpentine .... Chloride of zinc (Sir W. Burnett’s patent) Iron liquor ....... Boucherie’s experiments to determine the relative amount of pro¬ tection from decay afforded by corrosive sublimate, sulphate of iron, iron liquor, and arsenious acid .... § IV. Modes of applying Preservative agents Application of the aspirative force of the tree suggested by Dr. Boucherie.—Process of impregnating wood with a liquid by aspi¬ ration.—Different liquids are unequally absorbed.—A more ad¬ vantageous mode of impregnation.—The most porous woods are not those most easily penetrated.—Process for impregnating seasoned timber.—Apparatus used at the Portsmouth dock-yard for injecting into wood a solution of chloride of zinc § V. Other effects of the impregnation of Wood with FOREIGN SUBSTANCES ..... The hardness of the wood increased .... The flexibility and elasticity of wood preserved Experiments of Mr. Hyett on the deflection of larch and beech impregnated with different substances .... Strength of the wood may be increased or diminished Resinous and non-resinous trees require different treatment Inflammability and combustibility of wood reduced by impregna¬ tion with foreign substances .... Tendency to warp diminished ..... Application of colours to wood by the aspirative process Density of wood increased by foreign substances . Tables shewing the specific gravity of prepared larch and beech Table embodying the principal results of Mr. Hyett’s experiments on the best materials for preserving wood PAGE 192 192 193 193 193 194 195 196 196 197 198 198 200 201 206 207 207 208 211 211 212 213 213 215 216 219