TY  - BOOK
AU  - Williams, Brian
TI  - Inventions And Discoveries
U1  - R 600 
PY  - 1978///,
CY  - London
PB  - Grisewood & Dempsey Limited
KW  - Technology
N2  - Inventors and discoverers have changed people's lives throughout human history. The things we use everyday are the result of thousands of years of invention and discovery. The book takes a historical look at inventions and discoveries from the Stone Age to the 20th century. It also examines the significant impact that inventions and discoveries have made, and continue to make
ER  -