What is a butterstamp telephone?
How were telephone wires stretched across the Atlantic Ocean?
What did the first mobile phone look like?
ISBN-13: 9780431118390
Availability: 
Temporarily out of stock
Published: February 2011
Reading Level: Upper Primary, Lower Secondary
Pages: 32
Format: Hardback
Publisher: Raintree
Product Category: Science / Science: Technology / Science: Communications Techno
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