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Origin of thallium
Words nearby thallium
Example sentences from the Web for thallium
Thallium is a rare metal, found in small quantities in some varieties of iron and copper pyrites, and in some lithia micas.A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
A stream of incandescent thallium-vapour passes between them, the magnified image of which is now seen upon the screen.
Light of one degree of refrangibility—that corresponding to this particular green—is emitted by the thallium-vapour.
If we add to the silver in our camera a bit of thallium, we shall obtain the light of both metals.
After waiting a little, we see that the green of the thallium lies midway between the two greens of the silver.