2172. It ought to be taken for granted that all china or glassware is well tempered; yet a little careful attention may not be misplaced, even on that point.


2173. Ornamental china or glassware are not exposed to the action of hot water in common domestic use.


2174. It will be proper never to apply water to them beyond a tepid temperature.


2175. An ingenious and simple mode of annealing glass has been some time in use by chemists. It consists in immersing the vessel in cold water, gradually heated to the boiling point, and suffered to remain till cold, when it will be fit for use.


2176. Soap and labor may be saved by dissolving alum and chalk in bran-water, in which the linen ought to be boiled, then well rinsed out, and exposed to the usual process of bleaching.