|
GB521847A
|
|
Improvements in, and connected with, apparatus for extracting grit and dust from airand gases
|
|
US1723882A
|
|
Automatic lighting device for autos
|
|
GB307168A
|
|
Apparatus for separating grit, dust and the like from smoke and gases
|
|
US1739014A
|
|
Grit catcher
|
|
GB284398A
|
|
Improvements in apparatus for separating grit, dust and the like from smoke or gases
|
|
GB255279A
|
|
Improved combined apparatus for gas-making and coal or fuel carbonisation
|
|
GB228236A
|
|
Improvements in apparatus for separating grit, dust and the like from smoke or gases
|
|
GB210596A
|
|
Improved construction of chimney or flue cap
|
|
GB210597A
|
|
Improvements in the construction of a chimney or flue cap
|
|
GB209246A
|
|
An improved chimney or flue cap for separating and collecting dirt from smoke or gases
|
|
GB191251A
|
|
Improvements in chimney or flue caps for separating and collecting dirt from smoke or gases
|
|
GB174788A
|
|
Improvements in separators and collectors suitable for application to tops of chimneys
|
