|
US3192534A
|
|
Indicating apparatus
|
|
US3160465A
|
|
Recording instrument
|
|
US3247344A
|
|
Subminiature polarized electrically actuated contactor
|
|
US3257612A
|
|
Electrical current-balancing measuring system for indicating a frequency difference
|
|
US3209363A
|
|
Indicating apparatus
|
|
US3208465A
|
|
Process controller
|
|
GB953564A
|
|
Pneumatically operated apparatus
|
|
US3189910A
|
|
Multiple-point measuring instrument
|
|
US3254532A
|
|
Temperature-humidity index measuring device
|
|
US3154949A
|
|
Temperature compensator and measuring instrument incorporating the same
|
|
US3095003A
|
|
Measuring and control apparatus
|
|
US3045089A
|
|
Electrically actuated contacting device
|
|
GB886606A
|
|
Process cycle controller
|
|
GB890549A
|
|
Telemetering system
|
|
GB882683A
|
|
An electromagnetic switching device
|
|
US2964057A
|
|
Pilot valve
|
|
GB874333A
|
|
An improved temperature stabilised pressure responsive system
|
|
US3023282A
|
|
Process controllers
|
|
US3147463A
|
|
Telemetering system
|
|
GB890588A
|
|
Electrical lead-in pin connectors and a device utilizing the same
|
