Small inventions that make a big difference /
Small inventions that make a big difference /
photographs by Joseph H. Bailey ; art by John Huehnergarth.
- Washington, D.C. : National Geographic Society, c1984.
- 104 p. : ill. (some col.) ; 28 cm.
- Books for world explorers .
Accompanied by "The patent game" (1 sheet [2] p. : col. ill. ; 75 x 49 cm. folded to 25 x 19 cm.). Includes index.
Bibliography: p. 101.
Describes how inventors think and work, explains how one invention--plastic--has changed the world, and briefly discusses seventy-five other important inventions, from the jet engine to the potato chip.
0870444980 : $6.95 0870445030 (lib. bdg.) : $8.50
T212 / .S63 1984
608
Accompanied by "The patent game" (1 sheet [2] p. : col. ill. ; 75 x 49 cm. folded to 25 x 19 cm.). Includes index.
Bibliography: p. 101.
Describes how inventors think and work, explains how one invention--plastic--has changed the world, and briefly discusses seventy-five other important inventions, from the jet engine to the potato chip.
0870444980 : $6.95 0870445030 (lib. bdg.) : $8.50
T212 / .S63 1984
608