|
US3384115A
|
|
Pneumatic logic system on the block principle
|
|
GB1104509A
|
|
Pneumatic logic system
|
|
GB1083944A
|
|
A pneumatic trigger circuit with a single input
|
|
GB1084566A
|
|
Transductor sensing device for the measurement of direct current and indication of the polarity thereof
|
|
GB1066496A
|
|
A data collecting system
|
|
GB1044227A
|
|
Pneumatic logic switching element
|
|
GB1063089A
|
|
Improvements in pneumatic logic circuits
|
|
GB1016417A
|
|
Pneumatic analog-to-digital converter
|
|
GB999683A
|
|
A device for converting mechanical deflections into gas pressures
|
|
GB995109A
|
|
Projector with disc-shaped carrier of images more particularly of numerals
|
|
GB1023121A
|
|
Method of analogue-digital conversion
|
|
GB977542A
|
|
A safety device for the prevention of explosion accidents in gas conduits
|
|
GB1017064A
|
|
Distribution transformers designed for feeding series arranged airport lighting units
|
|
GB996895A
|
|
Network for the thermal compensation of electric current regulators
|
|
GB970617A
|
|
Improvements in current regulators
|
|
GB1009869A
|
|
A d.c. amplifier for low voltages
|
|
GB1009868A
|
|
Transistor switching devices
|
|
GB986821A
|
|
Control circuit for magnetic amplifiers
|
|
GB931220A
|
|
Improvements in winding rollers for registration or recording mechanisms
|
|
GB899391A
|
|
Rotors for dynamoelectric machines
|
