|
GB346377A
|
|
Improvements in or relating to apparatus for transforming and storing energy
|
|
DE562860C
|
|
Device for energy conversion and storage
|
|
GB330134A
|
|
Improvements in or relating to hydraulic control devices
|
|
GB330119A
|
|
Improvements in or relating to liquid level indicators
|
|
GB330914A
|
|
Improvements in or relating to electric signalling systems
|
|
DE511292C
|
|
Electromagnetic device for continuous remote indication of the position of moving organs
|
|
GB298076A
|
|
Improvements in or relating to cooling compressors of the piston type
|
|
DE514356C
|
|
Device for cooling the cylinders of single or multi-stage piston compressors
|
|
DE533050C
|
|
Lubricating device for loose wheels, especially of railway vehicles
|
|
DE475696C
|
|
Rotary piston blower driven by an induction motor
|
|
GB266304A
|
|
Improvements in or relating to rotary pumps
|
|
GB276612A
|
|
Improved process of and apparatus for the cooling of piston compressors
|
|
DE494245C
|
|
Device for cooling the cylinders of single and multi-stage piston compressors
|
|
DE480173C
|
|
Piston compressor with several stages
|
|
GB263085A
|
|
Improvements in or relating to boat lifts
|
|
DE475325C
|
|
Lock-like ship lifting device
|
|
DE464421C
|
|
Single axle drive in particular for electric rail vehicles by means of a high-level motor arranged vertically above the drive axle
|
|
GB250921A
|
|
Improvements in or relating to driving vehicle wheels on fixed axles
|
|
DE494817C
|
|
Switching arrangement for electric storage vehicles
|
|
GB252675A
|
|
Improvements in or relating to electric traction
|
