The Telephone : A Lecture Entitled, Researches in Electric Telephony: Delivered Before the Society of Telegraph Engineers, October 31st 1877
by William Edward Langdon, Alexander Graham Bell, Francis John Bolton Hardcover 2022
- Author: William Edward Langdon, Alexander Graham Bell, Francis John Bolton
- ISBN 13: 9781017719420
- ISBN 10: 101771942X
- Publication Year: 2022
- Language: English
Specifications
| Index-10 | 101771942X |
|---|---|
| Index-13 | 9781017719420 |
| Language | English |
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