Audio dosimeter
Cam actuated fuel modulating engine governor
Centrifugal governor
Centrifugal type acceleration measuring device
Centrifugally actuated trip mechanism
Device for measuring and registering of sound
Device for measuring the movement of a motor vehicle
Film-recording noise dosimeter
Governor rotor assembly
Indicating apparatus in centrifugal force type meter
Instrumentation for measuring aircraft noise and sonic boom
Integral mechanical governor
Level meter for sound signals
Logarithmic statistical distribution analyzer
Mechanical speed governor for an internal combustion engine
Method of determining piezoelectric constants of ceramic rings
Method of determining standard sound levels
Motion sensor and method of making same
Pipe wall thickness gauge
Rotation-rate sensor