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bottling beer slops

Colouring hotel beer slops

  Ounce of Dye Colours a million gallons Hotel keepers unaware chemsist sold drip beer colouring One ounce of methyl violet, costing about 4 shillings, would colour 1,000,000 gallons of beer. Methyl violet is the dye with which hotelkeepers are… Read More ›

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