Show soap an old timor soap boap Is one of the oldest products used by man says nays industrial and engineering chemistry Chom latry fundamentally tho the chemistry of tho the soap boap reaction la Is essentially tho the some as it was in tho the prehistoric days daya when we first soap was ivas made by tho the spillage of melted wax from altar candles on wood ashes but tho the methods of manufacture have changed to tho the extent that A modern soap factory la Is a model of engineering skill and efTi efficiency clency |