|
GB828942A
|
|
Improvements relating to propellers or the like having variable-pitch blades
|
|
GB493698A
|
|
Improvements relating to the air cooling of gear casings
|
|
GB456516A
|
|
Improvements relating to means for tensioning driving belts, chains and the like
|
|
GB272266A
|
|
Improvements in filters and the like
|
|
GB252830A
|
|
Improvements relating to variable speed mechanisms
|
|
GB252758A
|
|
Improvements in power transmitting gearing
|
|
GB191157A
|
|
Improvements in and relating to commutators for dynamo-electric machines
|
|
GB183951A
|
|
An improved variable speed and reversing gearing
|
|
GB184232A
|
|
Improvements in reducing gear
|
|
GB159754A
|
|
Improvements in reduction gear
|
|
GB146595A
|
|
Improvements in internal combustion engines
|
