Book Abacus – Pocket Computer
The Abacus – A Pocket Computer / Catalog Number 68-17463 / Author Jesse Dilson / Drawings Angela Pozzi / 143 pages / Printed 1968 / Published by Jesse Dilson (Griffin Books St. Martin’s Press New York)
Personal collection of vintage and modern Abacuses / Abaci.
The Abacus – A Pocket Computer / Catalog Number 68-17463 / Author Jesse Dilson / Drawings Angela Pozzi / 143 pages / Printed 1968 / Published by Jesse Dilson (Griffin Books St. Martin’s Press New York)