The art of manufacturing soap and candles : including the most recent discoveries, embracing all kinds of ordinary hard, soft, and toilet soaps, especially those made by the cold process, the modes of detecting frauds, and the making of tallow and composite candles
by Adolph Ott
書名
The art of manufacturing soap and candles : including the most recent discoveries, embracing all kinds of ordinary hard, soft, and toilet soaps, especially those made by the cold process, the modes of detecting frauds, and the making of tallow and composite candles