TY - BOOK T1 - The Smithsonian book of invention. DA - c1978. CY - [Washington] : CY - New York : ET - 1st ed. CN - T15 CN - T15 PB - Smithsonian Institution ; PB - distributed by W.W. Norton, PP - [Washington] : PP - New York : PY - c1978. N1 - Includes index. ID - 295501 KW - Inventions KW - Technology SN - 0895990024 TI - The Smithsonian book of invention. ER -