| 11. | In 1954, Texas Instruments designed and manufactured the first transistor radio.
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| 12. | The 1959 edition identified types suitable for use with transistor radios.
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| 13. | It was the size of a transistor radio and operated on flashlight batteries.
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| 14. | The officer in charge sat idly listening to a transistor radio.
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| 15. | This news was heard on a small transistor radio on board.
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| 16. | Portable transistor radios with little earpieces had been around for decades.
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| 17. | Projects include a miniature burglar alarm, sound board and transistor radio.
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| 18. | Transistor radios were the latest thing; boom boxes hadn't been invented.
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| 19. | We actually know where our flashlights and transistor radios are now.
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| 20. | It was the first practical transistor radio made in significant numbers.
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