American clear crystal crystal crystal crystal detector set vintage

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There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. The first part is the actual making of a functional radio, and the second part is making the whole arrangement look nice. In this part, I'm actually going to tell you more than just how to make a crystal radio, but I'm also going to explain how and why they work.

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Authored by Ian C. Text size: increase decrease. My personal recommendations, thanks. Check out the Amazon Electronic Component Packs page.

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A crystal detector is an obsolete [1] electronic component in some early 20th century radio receivers that used a piece of crystalline mineral as a detector demodulator to rectify the alternating current radio signal to extract the audio modulation which produced the sound in the earphones. Pickard[11] [5] [12] who began research on detector materials in and found hundreds of substances that could be used in forming rectifying junctions. The unamplified radio receivers that used crystal detectors were called crystal radios ; [17] the crystal radio was the first type of radio receiver that was used by the general public, [15] and became the most widely used type of radio until the s.

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I have, for some unknown reason, always been interested in ancient technology, mainly electronics and mechanical things and I have always wanted to make a true old fashioned style crystal radio. A crystal radio, or crystal set as it is sometimes called, is a radio that only uses the power of the radio waves picked up by the antenna to generate the sound heard in the head phones. The reason it is called a crystal set is because they use a mineral crystal as a diode for the detector in the circuit.

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Related to crystal set: Crystal radio. An early radio receiver using a crystal detector. A simple radio receiver consisting of a Crystal detectorcondenser, coil, and headphones.

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In the following article, Bob Murray tells us about a piece of crystal radio history. His Edwards crystal set is now a museum piece, but there may be other Edwards sets out there that we can add to this bit of history. Edwards and Company, now a subsidiary of General Electric Security, was founded in by Robert Edwards and David Rousseau to explore the new phenomenon of electricity and to manufacture battery-operated gas fixture igniters. Among the company's first customers was a New York City church where sextons had climbed a foot ladder to light gas fixtures located high above the pews.

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A crystal radiosometimes called a crystal setis a very simple AM radio receiver, that does not need batteries to work. A long wire antenna gathers enough of the radio signals from nearby transmitters to power a crystal diodewhich demodulates the signals, and plays them as sound through an earphone or small headset. Crystal radios have come and gone many times in history. They were built in the early days of radio broadcasting by amateursand people who could not afford a well-made radio.

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