The Abacus: The World's First Computing System by Jesse Dilson

ABACUS, THE: The Worlds First Computi..., Dilson, Jesse

The Abacus: The World's First Computing System by Jesse Dilson

ABACUS, THE, Dilson, Jesse, Used; Very Good Book

The Abacus: The World's First Computing System by Jesse Dilson

1968 "The Abacus" by Jesse Dilson-Used Book-Acceptable Condition

1968 "The Abacus" by Jesse Dilson includes a Working Abacus

The Abacus: The Worlds First Computing ... by Dilson, Jesse Paperback / softback