Bell and The Science of The Telephone
What he sciencets say : 1. You can make a simple telephone using youghurt and a piece of string. 2. Sound can be sent by light signals in fibre-optic cables. 3. The cone shape of megaphone stops…
- Edition
- -
- ISBN/ISSN
- 1-904642-52-7
- Collation
- 24 cm : 32 hlm
- Series Title
- -
- Call Number
- 925 Wil b
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Found 1 from your keywords: Author : Williams, Brain
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