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Such currents are called feed-back or regenerative currents and when circuits are so arranged as to cause the currents to flow back through the detector tube the amplification keeps on increasing until the capacity of the tube itself is reached. It is like using steam over and over again in a steam turbine until there is no more energy left in it.
This police function is doubtless valuable in restraining from crime and inciting to good conduct, but it has no regenerative power. The enlargement of human association, on the other hand, increases sympathy and coöperation among men, and paves the way to the cultivation of the mutual respect and regard which is the basis of social virtue.
So powerful will be the effusions of Divine grace that will be poured forth upon a valiant community that has already in the administrative sphere erected, in all the glory of its exterior ornamentation, its chief Edifice, and in the teaching field raised aloft, in every state and province, in the North American continent the banner of its Faith—so great will be these effusions that its members will find themselves overpowered by the evidences of their regenerative power.
We have had fifty years of a restored Union. The sectional fires have quite gone out. Yet behold the schemes of revolution claiming the regenerative. Most of them call themselves the "uplift!"
There is no question but that this is the plan to get good illumination out of gas combustion; and many regenerative burners are now in the market, all depending on this principle, and utilizing the waste heat to make a high temperature flame. But although it is evidently the right way to get light, it was by no means evidently the right way to get heat.
This regenerative action of the battery current augments the original oscillations many times and hence produce sounds in the headphones that are many times greater than where the vacuum tube detector alone is used. Operation of Autodyne and Heterodyne Receiving Sets.
"We fell in with a party of Martians on our way here, and they told me about certain embryonic changes they made on you and Adam before Goat kidnapped your mothers and brought them to Ultra Vires. Qril he's the Martian I talked to said that these alterations not only permit you to live in a free Martian environment, but give you extraordinary regenerative powers."
But I think there can be no doubt that, although at our last meeting we had a very full and interesting discussion on the different systems of regenerative retort settings, still we might very profitably spend a little time to-day in hearing the experience of those who have had some of the systems introduced into their works since then, or who may have gained further experience with the system they were then working, or have introduced improvements or modifications thereon.
Such currents are called feed-back or regenerative currents and when circuits are so arranged as to cause the currents to flow back through the detector tube the amplification keeps on increasing until the capacity of the tube itself is reached. It is like using steam over and over again in a steam turbine until there is no more energy left in it.
You can buy a receiving set with a vacuum tube detector from the very simplest type, which is described in this chapter, to those that are provided with regenerative circuits and amplifying tubes or both, which we shall describe in later chapters, from dealers in electrical apparatus generally.
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