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William Thomson
John Barr
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Publication of GB190705379ApublicationCriticalpatent/GB190705379A/en
5379. Thomson, W., and Barr, J. March 6. Infusorial earth is bleached and purified by the reduction of the contained iron oxide by peat and subsequent treatment with chlorine at a high temperature. The resultant ferric-chloride vapours may be condensed or passed into the atmosphere.
GB190705379D1907-03-061907-03-06Improvements in Bleaching Kieselguhr
ExpiredGB190705379A
(en)
Improvements in the Method of Welding Small Boilers for Kitchen Ranges and Heating Purposes and other similar Articles and in Tools and Appliances Employed therewith.