Telephone

Explains what a telephone is, and looks at the workings of landline telephones and cell phones.

Cherry Lake Pub.
2010
9781602794801
book

Holdings

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108492347757672296105942170519EIDE159EIDE056061621.38 MAS621.3815802161721736518457
198025555637762452105942170519GREV238GREV030214621.385 MAS621.3815825759371742569409
291602763933131546105942170519NWE351NRH0030427621.385 Mas621.3816377825731637782573
31719636603765156810594217051917171T0117000001040621.385 MAS621.3816407292551640729255
379866071121592399105942170519NWE350NRH0030427621.385 Mas621.3816950443851736800991