The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
stone chips (primarily of flint) believed by 19th-century archaeologists to be the most primitive tools used by man. The shapes and cutting edges of eoliths have been demonstrated to be of natural origin.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.