A treatise on architecture and building construction . ch renders it unfit for external use, but it isinvaluable for cornice moldings and enrichments, and is alsoused in several plastic mixtures. Its volume expands insetting, and on this account it is a good material for fillingchinks and holes in repair work. Plaster of Paris is muchused for making casts, etc., which are generally moldedhollow, owing to its liability of cracking when formed intopieces of any considerable thickness. When plaster of Parisis mixed with lime mortar, in which case it is said to begauged, the setting is considerabl
A treatise on architecture and building construction . ch renders it unfit for external use, but it isinvaluable for cornice moldings and enrichments, and is alsoused in several plastic mixtures. Its volume expands insetting, and on this account it is a good material for fillingchinks and holes in repair work. Plaster of Paris is muchused for making casts, etc., which are generally moldedhollow, owing to its liability of cracking when formed intopieces of any considerable thickness. When plaster of Parisis mixed with lime mortar, in which case it is said to begauged, the setting is considerably hastened. PLASTERERS TOOES. 223. The implements used by the plasterer are simpleand inexpensive; the principal ones are shown in Fig. 103. At {a) is shown the ordinary screen used for separatingthe coarser particles of sand and gravel from the finer {b) is shown a screen through which the slaked lime ispassed to free it from gritty or unslaked particles. Forvery fine division, small wire and hair sieves are sometimesemployed. 130 MASONRY. 8. Fig. 103. 8 MASONRY. 131
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Keywords: ., bo, bookcentury1800, booksubjectarchitecture, booksubjectbuilding
