These particles were being hurled out of the atoms of radium, or from the negative pole in a vacuum tube, at a speed which, in good conditions, reached nearly the velocity of light, i.
A vacuum tube is one from which nearly all the air has been pumped, although we can never completely empty the tube.
It had been noticed in 1869 that a strange colouring was caused when an electric charge was sent through a vacuum tube--the walls of the glass tube began to glow with a greenish phosphorescence.
If it act so, then in a vacuum tube even of great length, and no matter how strong the current, self-induction could not assert itself to any appreciable degree.
The use of the magnet permits, however, of the arc being replaced by a vacuum tube, but I have encountered great difficulties in working with an exhausted tube.
I can offer only five common shares of Vacuum Tube for a Rank Captain, win or lose.
The owner of the voice, beautifully done up in the uniform of Vacuum Tube Transport, complete to kilts and the swagger stick of the officer of Rank Colonel or above, stood glaring at them.
We can say, therefore, that the internal resistance of the plate circuit of a vacuum tube can be changed by what we do to the grid.
If the wire is in a vacuum tube, as it is in the case of the audion, they can't get very far away.
If we mean a gain in energy it will not although we may use it, as we shall see in a minute, to permit a vacuum tube to work into an output circuit more efficiently than it could without the transformer.
If it acts so, then in a vacuum tube even of great length, and no matter how strong the current, self-induction could not assert itself to any appreciable degree.
On comparing its spectrum with that of an olefiant-gas "vacuum tube" rendered luminous by electricity, he found the agreement exact.
The Röntgen rays are certain invisible rays resembling, in many respects, rays of light, which are set free when a high-pressure electric current is discharged through a vacuum tube.
I have been for a long time interested in the problem of the cathode rays from a vacuum tube as studied by Hertz and Lenard.
How a vacuum tube glows, when electricity passes through it.
With yttria in a vacuum tube, the point of maximum phosphorescence, as I have already pointed out, lies on the margin of the dark space.
However that may be, I certainly have no experience of aurorae, but I have assisted in producing the very same effect upon a small scale within a vacuum tube.
You have seen already that man can make us jump only a very short distance, even when he has cleared our path of the obstructing air, as he does in a vacuum tube.
With the aid of a battery and an induction coil, man causes an energetic electrical discharge to pass through a vacuum tube.
The transmitter of a wireless telegraph set generally uses a spark gap for setting up the electric oscillations, while usually for wireless telephony a vacuum tube is employed for this purpose.
The apparatus used for the purpose consists of a vacuum tube mounted in the usual way upon a horizontal axis capable of rotation.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "vacuum tube" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
