spread. Recent experiments have proven beyond aftertaste due to the boiling process is finally satu- doubt that bacteria liable to injure the health of man rated with air in the filter and is passed over sub- are rapidly killed at a temperature of 221 to 230 stances which destroy the vapid boiling… … pacity may be ture owing to said to _ corre- their difference in spond to the re- density. If in a
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