Patrick E. Haggerty
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Patrick Eugene Haggerty was an American engineer and businessman. He was a co-founder and former president and chairman of Texas Instruments, Incorporated. Under his leadership, the company grew from
Transistor radio
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A transistor radio is a small portable radio receiver that uses transistor-based circuitry. Previous portable radios used vacuum tubes, which were bulky, fragile, had a limited lifetime, consumed exce
A classic Emerson transistor radio, circa 1958
A seven-transistor Soviet Orljonok radio with the back open, showing parts.
Sanyo 8S-P3 transistor radio, which received AM and shortwave bands.
Regency TR-1.