Kennicott Water Softener Co









of Wolverhampton
and of Imperial House, Kingsway, London WC2
1912 John Thompson exhibited at the International Engineering and Machinery Exhibition at Olympia. Items shown included a water softening plant on the Kennicott system at work on the stand[1].
By 1922 was a subsidiary of John Thompson Water Tube Boilers Ltd
Sometime in the late 1920s Kennicott Water Softener Co was treated as a separate subsidiary, alongside the other 4 limited companies subsidiaries of John Thompson
1929 Annual meeting of the associated companies of John Thompson Ltd also included Kennicott Water Softener Co Ltd[2].
1950s An advert referred to John Thompson's 16 subsidiary companies including:
- John Thompson-Kennicott Ltd - “For over half a century” manufacturers of water treatment plant for all purposes. This seems to be mainly for water going into boilers but includes "clarification and filtration plants for potable purposes".