Tests for purity of common foods and indicators of adulteration
A London source outlines practical tests to detect adulteration in coffee sugar olive oil butter flour milk and water. Methods include tasting coffee for chicory, dissolving coffee in water, burning sugar, shaking olive oil with ammonia, butter combustion, flour hand impression, skim milk for bluish edges and needle test for water in milk to reveal dilution.
MENTIONED IN THIS ARTICLE
London
Stolen brass knocker prompts wary Edmonton residents
A fragmentary notice on a Church Street Edmonton home asks bona fide visitors to tap on the door knob after a brass knocker was stolen by local hooligans calling themselves Honest Edmonton. The message reflects a cautious, almost humorous community warning in the era.
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Church Street
Edmonton
Eng
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