It was Peacock! In the Kitchen! With the Arsenic! In the Dumplings!
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During the eighteenth and early nineteenth centuries arsenic was readily available to the general public; indeed it was prescribed by doctors as a tonic to build up strength and put on weight as well as a treatment for rheumatism, dropsy and syphilis. It was also widely used to kill household vermin. So no chemist in Suffolk would have been suspicious when a small amount of grey-white powder was purchased. That is until a sudden death took place – but even then the symptoms could be confused with the English Cholera.