Improvements in or relating to the Cleansing of Filter Beds.
GB191412472A
Improvements in and relating to Apparatus for Delivering Measured Quantities of Liquids.
GB191113765A
Improved Apparatus for Delivering or Withdrawing Liquids, applicable for Delivering a Quantity of Reagent Solution in Water Softening or Purifying Apparatus.
GB190808399A
Improvements in or relating to Apparatus for Delivering or Distributing a Definite Quantity of Powdered Material into a Given Quantity of Liquid.
GB190415904A
Improvements relating to Steam Valves.
GB190407436A
Improvements in Pump Valves.
US729121A
Water-softening apparatus.
GB190220913A
Improvement in Means for Supplying Steam and the like to Water Softeners.
