TY  - BOOK
AU  - National Geographic Society
AU  - Ajello,Arnold B
AU  - Gibson,Barbara
ED  - National Geographic Society (U.S.).
TI  - How things are mad
SN  - 0870443348 :
U1  - 001.2 21
PY  - 1981///
CY  - [Washington, D.C.]
PB  - National Geographic Society
KW  - Manufacturing processes
KW  - Juvenile literature
N1  - Prepared by the Special Publications and  School Services Division; writers: Arnold B. Ajello, and others; illustrations: Barbara Gibson; Pocket contains a pamphlet, Far-out fun (23 p.) and a poster (1 fold sheet); Includes index; Bibliography: p. [104]
N2  - Explains how a variety of products--such as kaleidoscopes, baseballs, marbles, matches, toothpaste, light bulbs, and bridges--are made, highlighting the ways in which manufacturing techniques have changed over the years. A wall poster and a 24-page booklet of games and puzzles are included
ER  -