Method and apparatus for controlling radiation through a window
US3337784A
Method for the production of unipolar ions in the air and for enriching the air of a room with them
GB941321A
Conditioning the climate of a room
GB895024A
Improvements in and relating to electrostatic precipitation
US2958393A
Electrode system for the separator of an electric dust precipitator
GB803543A
A method of removing very small particles suspended in a gas, and apparatus therefor
GB850275A
Electrostatic precipitators
GB843782A
Electrostatic precipitators
GB848687A
Apparatus for imparting unipolar charges to particles
GB848446A
Electrostatic precipitators
GB762338A
Improvements in or relating to methods for increasing the anti-corrosive properties and accelerating the drying, of coatings of paint or printed surfaces
