They can also be specialty monochromatic lenses used in modern research telescopes and other instruments.

Samples used in musical instruments sometimes have a looped component.

It is also used in cymbals, keys, zippers, and musical instruments.

Microchannel plate detectors are commonly used in modern commercial instruments.

This principle is used in both horn loudspeakers and musical instruments.

The earliest mechanical keyboards were used in musical instruments to play particular notes.

Although color has long been used in traditional instruments, it is restricted to aiding in identification of the data.

Miniature zinc-air batteries type "P" are used in hearing aids and medical instruments.

The production of synthetic sound in this manner has been used in 'optosonic' instruments since the early 20th Century.

The main body is made of wood and not leather (the material used in earlier instruments).