of 165, Queen Victoria Street, E.C.
A process for softening water.
1876 John Henderson Porter started developing Dr. Clark's process for softening water[1]
1878 Porter's patented process combined bicarbonate of soda with Clark's lime process[2]
1887 A division of scientific opinion prevented the inhabitants of Bristol using the Porter-Clark process because of the high level of magnesia in their chosen water supply[3]
1902 Company voluntarily put into liquidation[4]
1907 Company removed from the register of companies
See Also
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