Improved Process for the Treatment of Sewage and other such Waste Products and Means for Carrying same into Effect.
GB190023412A
Improvements in Apparatus for Purifying Sewage and other Liquids.
GB190019264A
Improvements in or connected with Sewage Works.
GB190007834A
Improvements in Automatic Apparatus for Regulating the Working of Filters for the Treatment of Sewage and other Liquids.
GB190004173A
Improvements in and connected with Apparatus for the Treatment and Disposal of Sewage.
GB189918322A
Improvements in Apparatus for Regulating the Delivery of Liquids, especially in connection with the Delivery of Sewage to Filters or on to Land.
US646929A
Self-acting valve for regulating discharge of sewage into tidal waters.
US646928A
Apparatus for treating sewage.
GB189902461A
Improved System of and Apparatus for Purifying Sewage.
US634428A
Apparatus for treating sewage.
US634427A
Apparatus for treating sewage.
US634426A
Apparatus for treating sewage.
US646927A
Device for regulating discharge of sewage into tidal waters.
GB189819697A
Improvements relating to Receptacles which are Filled and Emptied Alternately, more especially to Filters or Bacteria Beds for Sewage or Sewage Effluent.
