The Swiss inventor Johan Heinerich Bachmann had deep knowledge of herbs and their use in developing natural remedies for medicinal use and also in insecticides as natural repellant. Johan Heinerich prepared several mixtures from herbs and alongwith the help of his daughter Sylvia established Orphea, an insecticide brand in 1920. Over the years Orphea added several productsContinue reading “Trapping the Bugs in Milan“
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