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  • The preservation of tomatoes / Ministry of Food.
  • The preservation of tomatoes / Ministry of Food.
  • The preservation of tomatoes / Ministry of Food.
  • The preservation of tomatoes / Ministry of Food.
  • Food preservative : harmless, tasteless, odourless : directions for use.
  • Natural, fresh... : Pret creates hand made, natural foods, avoiding the obscure chemicals, additives and preservatives common to so much of the 'prepared' and 'fast' food on the market today... / Harvey Smyth.
  • Natural, fresh... : Pret creates hand made, natural foods, avoiding the obscure chemicals, additives and preservatives common to so much of the 'prepared' and 'fast' food on the market today... / Harvey Smyth.
  • Liquid preservative : harmless, tasteless, odourless : sweet milk & cream in the hottest weather.
  • Oteg : egg preservative (wholly British) for dry storage of eggs in shell (fully patented) / Sozol (1924) Limited.
  • Oteg : egg preservative (wholly British) for dry storage of eggs in shell (fully patented) / Sozol (1924) Limited.