A spectrophotometer is a more complicated instrument and there are several configurations.

The information we ask today of scientists in control of complicated instruments was once asked of the Babylonian priests.

Forget about high-risk investments or complicated financial instruments and invest in liquid assets, including securities that can be traded easily.

Into the crowded fray come new and more complicated financial instruments.

He continued: "As music became more complicated, and more instruments were involved, communication between the musicians didn't work very well.

One of his more complicated instruments is the "Bowafridgeaphone" (bow a fridge a phone).

Setting new transparency rules for derivatives "and other complicated financial instruments."

They rolled up complicated instruments on wheels.

The Enigma machine was a very complicated instrument.

The largest, most complicated musical instrument is the organ.