With it, creaking on ancient mechanisms, went half the wall.

Sites where ancient mechanisms lurk, alert, still prone to vigorous action?

It would seem my entrance into the projectile had activated its ancient mechanism.

It was as far as the ancient mechanism would move.

It was the exact weight to hold an ancient self-destruct mechanism in place.

The ancient mechanisms of the Star Gate had served him well, but he would not need them again.

I believe that is an ancient mechanism to attract a mate.

Psychologists thought this might be an ancient mental mechanism which has survival value.

Trok tried two in the lock on the grille, and the second turned the ancient mechanism.

As they drew level, the ancient mechanism creaked to life.