Decorative wind velocity and directional indicator
Deployable probe
Device employing resonant chambers to determine wind characteris
Device for determining vertical direction
Device for indicating optimum sail position
Device for measurement of the speed of a helicopter
Device for metering the angular position of a direction indicato
Device for reducing the vibration in the cabin of a rotary-wing
Device simulating a running bird
Dial a sail
Diaphragm type angle of attack indicator
Direction sensitive flow velocity meter and sensing plate to be
Directional fluid flow transducer
Directional heat loss anemometer transducer
Directional heat loss anemometer transducer
Directional thermal anemometer transducer
Directional thermal anemometer transducer
Directional thermal anemometer transducer
Display system to indicate sailing data of a small size boat
Display systems