A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . diagrams are obtained. During theabsence of the sun the tube begins to cool rapidly, and to return to its normal position;every passing cloud is thus beautifully recorded. The middle of tlie centre arch of Southwark Iron Bridge rises one inch in the height ofsummer. When great lengths of iron pipe are laid down for the conveyance of steam orhot water, sliding joints are necessary to prevent destruction either of the apparatus or ofthe building in which it is pla
A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . diagrams are obtained. During theabsence of the sun the tube begins to cool rapidly, and to return to its normal position;every passing cloud is thus beautifully recorded. The middle of tlie centre arch of Southwark Iron Bridge rises one inch in the height ofsummer. When great lengths of iron pipe are laid down for the conveyance of steam orhot water, sliding joints are necessary to prevent destruction either of the apparatus or ofthe building in which it is placed. F FALSE TOPAZ. A light yellow pellucid variety of quartz crystal. It may be distin-guished from yellow topaz, for which when cut it is frequently , by its differenceof crystalline form, the absence of cleavage, inferior hardness, and lower specific in the Brazils, &c. FAULTS (Failles, Fr.), in mining, are disturbances of the strata which interrupt theminers operations, and put him at a loss to discover where the vein of ore or bed of coalhas been ^^ thrown by the convulsion of nature. 2S8 2S9.
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Keywords: ., bookcentury1800, bookdecade1860, bookpublishernewyo, bookyear1864
