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Supplying over different vacuum tube types, valves, grid caps, sockets and capacitors. It is easy for antique collectors, ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors. Product : Small Tube Box.

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You might think the vacuum tube has burned itself out of electronics, but its filaments are still burning brightly in certain quarters. This was the era of radioactivity, relativity, electromagnetic waves, and the quantization of energy — literally everything changed as our understanding of the physical world was revolutionized by a stream of discoveries and inventions. Today, however, the vacuum tube is largely extinct in electronics except for a few applications where it still works very well.

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Please help me out - I'll stuff in more info whenever I get it Please send corrections, additions, and comments to nick virhistory. Index What are Boatanchors? Why Boatanchors? How can I read the rec.

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Click here for audio of Episode Today, we see what happened when we put oil paint in tubes. The University of Houston's College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them.

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The tube or trusses of a telescope must perform the task of holding the optical components at the correct separation and at the correct relative alignment, regardless of the orientation of the telescope on the sky. Smaller telescopes tend to use tubes and larger telescopes trusses - we shall look at each in turn. Most amateur telescopes use tubes to mount the optics because they are simple, cheap and can be made stiff enough to hold small-aperture mirrors and lenses without becoming too heavy to mount.

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The purpose of this book is not to add another volume to the many excellent ones available on what makes the vacuum tube work. Rather, it is intended to shed light on the almost completely neglected subject of why these versatile devices sometimes do not work. Informed scientists and engineers 'liave frequently stated that the life of a vacuum tube in normal service should exceed 5, or even 10, hours. The fact that some of them do not last this long is well known.

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Quick links. Rolling your own GM tubes This area is for discussions involving any fusion related radiation metrology issues. Neutrons are the key signature of fusion, but other radiations are of interest to the amateur fusioneer as well.

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Amateur with Tube Amplifier. Dear all. Sorry with my english I'm a amateur but like diy, i was buy PCB and put component like documents included pcb.

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