With the new Septron Line series, the Christ Water Technology Group makes it possible to produce ultrapure water in various qualities and quantities. The models 10-20 and 25-60 comply with the current standards laid down by ISO, CAP and ASTM. They also considerably exceed the requirements of the European Pharmacopoeia (Ph.Eur., Aqua Purificata) and the American
Pharmacopoeia (USP, Purified Water) for ultrapure water. All models can be commissioned quickly and offer a high level of operational safety with only low maintenance requirements
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The secret life of a London Music Hall
Does anyone know when electric lighting was first used in Wiltons. I presume it was installed on the stage first and then backstage later? Or was it...