01517cam a2200361 i 4500 391799712 TxAuBib 20190912120000.0 161220s2018||||||||||||||||||||||||eng|u 2016058453 9781484640357 1484640357 9781484640395 148464039X (OCoLC)967417663 TxAuBib rda Oxlade, Chris,. The history of telecommunications / by Chris Oxlade. Chicago, Illinois : Capstone, [2018] 32 pages : color illustrations ; 23 cm. txt rdacontent n rdamedia nc rdacarrier Heinemann first library. The history of technology Includes bibliographical references (page 31) and index. Do you know that 200 years ago, the only way that one person could send a message to another person was by letter or messenger? It s hard to imagine now, with our smartphones and computers at our fingertips. From the invention of the telegraph in the 1830s all the way through to the wearable technology of the present day, this book charts the incredible history of telecommunications. Ages 6-8. K to Grade 3. 20190912. Telecommunication History. Heinemann first library. The history of technology. TXMML