By 1968, the band adopted electrical instruments anyway, and added drums.

As modern electrical and electronic instruments are evolving, they adapt ancient techniques.

Wires from the battery were connected to a voltmeter and other electrical instruments.

It also made a wide variety of electrical and electronic instruments for aircraft.

An electrometer is an electrical instrument for measuring electric charge or electrical potential difference.

No doubt they watched it with electrical instruments.

From the front end of the floor came the muffled crackle of an electrical instrument.

He learned how to design electrical instruments for doctors.

By playing both traditional and modern electrical instruments they gave life to a style of their own which could be defined as "Mediterranean ethno-rock".

There was also hands-on work with electrical instruments and in shop practices.