00601cam a2200193 4500 445903782 TxAuBib 20070228120000.0 000919s1987||||||||||||||||||||||||eng|u 9780816040728 0816040729 McBain Community Library TxAuBib Williams, Trevor I. History of invention from stone axes to silicon chips. Checkmark Books Inc., 1987. 367p.; index; color illus; biblio ref. 20070228. TECHNOLOGY - HISTORY.