|
GB241555A
|
|
Improvements in or relating to metal sawing machines with arcuate cut
|
|
GB183853A
|
|
Improvements in internal-combustion air-compressor units
|
|
GB183849A
|
|
Improvements in or relating to automatic air compressors
|
|
GB183852A
|
|
Improvements in or relating to two stroke cycle internal-combustion engines
|
|
GB183851A
|
|
Improvements in or relating to the packing and lubrication of cylinders and pistons
|
|
GB183850A
|
|
Improved method and means for absorbing shocks and vibrations in reciprocating-piston apparatus
|
|
GB183854A
|
|
Improvements in or relating to gas generators
|
|
US1571615A
|
|
Method and apparatus for compressing gas
|
|
US1530709A
|
|
Tubular gas producer
|
|
US1537450A
|
|
Machine with free flying piston
|
|
DE396477C
|
|
Control for explosion engines
|
