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The History of the Telephone
Barbara A. Somervill
出版
Child's World
, 2005
主題
History / General
Juvenile Nonfiction / History / General
Juvenile Nonfiction / Language Arts / General
Juvenile Nonfiction / Technology / Electricity & Electronics
ISBN
1592963463
9781592963461
URL
http://books.google.com.hk/books?id=4LzUPAAACAAJ&hl=&source=gbs_api
註釋
From Alexander Graham Bell's earliest model to modern-day cell phones, telephones are one of our most important modes of communication. Learn about the initial attempts to transmit the human voice over wire, and discover how far telephones have progressed within the past few centuries.