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  • Water purification apparatus, Africa (?). Photograph, 1905/1915.
  • A boy taking a glass of water from a tap fitted with a device to purify water with ozone; advertising the Otto procedure of water purification by electricity. Colour lithograph by Goldstein, 1930.
  • What you can't see can't hurt you / Millipore Corporation.
  • What you can't see can't hurt you / Millipore Corporation.
  • What you can't see can't hurt you / Millipore Corporation.
  • What you can't see can't hurt you / Millipore Corporation.
  • What you can't see can't hurt you / Millipore Corporation.
  • What you can't see can't hurt you / Millipore Corporation.
  • Did you hesitate before replacing this... with this? / Millipore.
  • Did you hesitate before replacing this... with this? / Millipore.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Are you willing to gamble... / Millipore Corporation.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Are you willing to gamble... / Millipore Corporation.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Are you willing to gamble... / Millipore Corporation.
  • Are you willing to gamble... / Millipore Corporation.
  • Are you willing to gamble... / Millipore Corporation.
  • Are you willing to gamble... / Millipore Corporation.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Shouldn't the quality of your pure water be a constant rather than a variable? / Millipore Corporation.
  • Innovation at work / Millipore Corporation.
  • Innovation at work / Millipore Corporation.
  • Innovation at work / Millipore Corporation.
  • Innovation at work / Millipore Corporation.