by Oxlade, Chris.
[ 01. English Non Fiction ] Series: 2Oth century inventions Published by : Raintree Steck-Vaughn, (Austin, Tex. :) Physical details: 48 p. : col. ill. ; 28 cm. Subject(s): Telecommunication --Juvenile literature. | Telecommunication --History --Juvenile literature. Year : 1997
Item type :
01. English Non Fiction
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Includes bibliographical references (p. 47) and index.