Radio age research, manufacturing, communications, broadcasting, television (1941)

Record Details:

Title:
Radio age research, manufacturing, communications, broadcasting, television
Date:
1941
Publisher:
New York, NY Corp
Volume:
Radio age research, manufacturing, communications, broadcasting, television
Leaf #:
000293
Language:
Undetermined
Collection:
Broadcasting & Recorded Sound
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
Internet Archive
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
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s between gloss and metal parts checked by polarized light, and by air under high pressure. The phosphor solution is poured into the envelope where it settles to form the tube's luminous screen. Purity of the phosphor solution is rigidly inspected to prevent the en- trance of injurious foreign material. Iron guns ore assembled here microscopically tested to watch- makers' rigid specifications. In this rotary machine the stem sup- porting the electron gun is sealed into the neck of the envelope. The tubes are now ready for the pumping system which removes all air and gases. kinescope is now branded with RCA trademark, which is a war- nty of top-quality picture tubes. Having received the stamp of approval, the tube is given a final polish and placed in its shipping carton. The RCA kinescope is now ready to provide the customer with the best picture his set can produce.