STONE CLEANING: See Cleaning Preparations and Methods.
STONES FOR SHARPENING: See Tool Setting and Whetstones.
STONES (PRECIOUS), IMITATION OF: See Gems, Artificial.
STONEWARE: See Ceramics.
STONEWARE CEMENTS: See Adhesives and Lutes.
STOPPERS.
I.—To make an anti-leak and lubricating mixture for plug-cocks use 2 parts of tried suet and 1 part of beeswax melted together; stir thoroughly, strain, and cool.
II.—A mixture for making glass stoppers tight is made by melting together equal parts of glycerine and paraffine.
To Loosen a Glass Stopper.—I.—Make a mixture of
| Alcohol | 2 drachms |
| Glycerine | 1 drachm |
| Sodium chloride | 1 drachm |