projection tube

noun as in picture tube

Strongest match

kinescope

Weak match

cathode-ray tube

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Example Sentences

The objective carrier is provided with a nose-piece for three objectives, with a broad projection tube, having an Iris diaphragm for the purpose of narrowing the aperture, and with a narrow tube which screws into the broad one, in case it is desired to use oculars in making the projection.

From Project Gutenberg

"A projection tube of some sort," said the doctor, pointing.

From Project Gutenberg

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projection tube

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