The tube, with its instruments attached, rotates to follow the sun during the day.

The main instruments attached to the telescope include two cameras.

It was a good place to work, he said, because the beach is blessed with an array of instruments attached to offshore buoys that track wave characteristics.

That clarified everything-with the exception of the organ-like instrument attached to the wall of the centre room that defied all explanation.

An ellipsograph has the appropriate instrument (pencil, knife, router, etc.) attached to the rod.

Briefly the stranger worked an instrument attached to his harness, and the Skylark descended slowly toward the fortress.

It was designed to point the instruments attached to it with high accuracy on all three axes.

A long, thin tube with a viewing instrument (cystoscope) attached is inserted into the urethra.

The primary instrument attached to the telescope was a fiber-fed, cross-dispersed echelle spectrograph.

He held up a shiny, brass instrument attached to some kind of tank.