Men of the old stone age, their environment, life and art (1915)
Osborn, Henry Fairfield, 1857-1935 · New York, C. Scribner's Sons · leaf 206
Reverse --• Point of percussionBulb of percussionScarConcentric waves Flakes Fig. 84. Method of producing the long flake and the central core of flint bysharp blows at the indicated point of percussion. After R. R. Schmidt.In this case a series of flakes have been cut off the entire periphery of…
Prehistoric peoples · Stone age · Art, Primitive
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
