In good weather conditions small aircraft can be landed without the use of any instrument, called visual landing.

For example, he was successful in selling an instrument called Sphygmographe to measure the pulse.

But the instruments called for in the majority of scores are fairly traditional.

Instead, they must structure complex financial instruments called principal-protected notes to ensure that workers do not lose their investment.

She is an expert in a rare musical instrument called Gayatriveena.

Money market trades in short-term financial instruments commonly called "paper."

The violin was not made directly from the instruments called viols.

An instrument called barbiton was known in the early part of the 16th and during the 17th century.

"Our instrument, called Prepare, predicts with an accuracy of 80 to 85 percent which couples will divorce," he said.

He designed specialized medical instruments called dermal elevators for this process.