Old Stone Age

Some lengthy period of geological change separates him from his predecessor of the Old Stone Age.

We see indications of it in the interments of old stone-age grave mounds.

From the old stone age to the new, from that to bronze, and from bronze to iron is the story of pre-historic development.

This industry represents the last stage of the Old Stone Age.

You couldn't walk into a bank and say you wanted thirty thousand to take a trip back to the Old Stone Age.