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Transistors are far smaller than vacuum tubes and do not require periodic replacement. Initially too costly for most products, audio transistors found their first use in hearing aids. In 1954, Texas Instruments partnered with Industrial Development Engineering Associates (IDEA) and created the first transistorized radio. Marketed as the Regency TR-1, it featured a built-in speaker and debuted just in time for the holiday season. In 1957, Sony marketed their first pocket-sized radio, the TR-63, followed by the popular TR-510 in 1961. Japanese transistor radios were designed for the American market, and sales quickly outpaced heavier and more-expensive examples made in the United States. Do you own any transistor radios? "On the Radio" is on display, post-security, in Terminal 3. http://bit.ly/RadioSFO
This image was posted on June 29, 2018.
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Transistors are far smaller than vacuum tubes and do not require periodic replacement.
This image was posted on June 29, 2018.
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During the 1930s and ‘40s, as new forms of entertainment were electronically transmitted along radio waves from venues and broadcast stations to the public in their homes, the streamline designs of radios further conveyed the idea of technological progress.
This image was posted on May 28, 2019.
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Described by Fortune magazine in 1936 as “the gaudy brother of somber Bakelite,” Catalin, the trade name for a cast-phenolic plastic made in a variety of brilliant colors, was first used to make smaller items such as bracelets, chess pieces, and buckles.
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This image was posted on May 10, 2018.
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