Joint tighteners found in many of the sets were employed in adjusting and maintaining the instruments. Even though it is often not possible to trace what each set was originally supposed to look like, ...

There are three families of musical instruments - string, wind and percussion. When a string is plucked on an instrument such as a guitar, the vibration is passed into the air and you hear a sound.

The standard covers pneumatic, fluidic, electric, electronic, and other types of instruments that are interconnected to form a loop. The standard is for the use of instrumentation system designers, ...

Equipment in these categories ranges from simple barometric altimeters to sophisticated radar systems, autopilots, and bombsights. The majority of the National Air and Space Museum instrument and ...