In which decade was the ARRL founded?

More Questions from Inventions

• Who invented the phonograph?
• In which decade were the first successful diode and triode vacuum tubes invented?
• The ELECTRIC BATTERY, who's charged with inventing this one?
• What George Pullman invented?
• What Henry Bessemer invented?
• Who was the first person to patent the JET ENGINE?
• CORN FLAKES - Who made them first?
• Who invented Bifocal Lens?
• What inspired reflecting road lights to be invented?
• When was the first lawn mower invented?

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