Improvements in or relating to apparatus for pulverising or grinding coal and other materials
GB326909A
Improvements in and relating to centrifugal pumps and fans
GB327153A
Improvements in rotary compressors, exhausters, engines, pumps and the like
GB320690A
Improvements in compressors, engines, pumps or the like
GB320940A
Improvements in rotary pumps or the like
GB306049A
Improvements in or relating to rotary air compressors and the like
GB291891A
Improvements in rotary engines, pumps, meters, and the like
GB249587A
Improvements in or relating to apparatus suitable for use as a rotary pump, engine, air compressor or motor, windmill, drill, meter, blower, vacuum pump or the like
GB154973A
Improvements in free-wheeling devices for cycles, motor cars, or the like applicablealso to clutches
