The Subminiature Vacuum Tube

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The Subminiature Vacuum Tube: The Cycle of Technology is a short documentary of the history of the subminiature vacuum tube. This 16 minute film was produced by the MIT Museum with funding from Raytheon in 1986 for the MIT Industrial Liaison Program. The producer and director was Seichi Tsutsumi of the MIT Industrial Liaison Program.
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20 окт 2021

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Комментарии : 14

@UQRXD Месяц назад

They milked the tube as long as they could. I was so glad to see them go. Very well done video.

@Steven-re7xt 3 месяца назад

Lot of things my induction to army brought me,.. ie a back pack tranciver. That had several tubes as small as pencils...and did as well as the rig that it replaced...😊 it just needed heater batteries. More often.

@AppliedCryogenics Год назад

Fascinating show. Makes me want an old hearing aid with Raytheon subminiature tubes in it. You know, just for the curio cabinet.

@davidroyer5049 Год назад

Raytheon and Sylvania were making subminiature tubes for replacement use in old equipment as late as 1986-- I have been using NOS subminiature tubes in tube microphones for more than twenty years.

@randyab9go188 Месяц назад

Don't forget GE. They were also making replacement tubes for the military in 1980's. By that time GE owned the RCA vacuum production so you will never see an RCA branded tube that late.

@davidroyer5049 Месяц назад

@@randyab9go188 true. . .

@FredPeters 2 года назад

Enjoyed the film, especially the John Adams music.

@jeffsaxton716 5 месяцев назад

In my vast junk collection I have some of those.. the part number is CK something.

@eddyaudio 2 года назад

Thanks for providing this most interesting information.

@AdamosDad 2 года назад

We also used these subminiature, tubes and more powerful tubes aboard ship in those days. I also worked on Raytheon equipment very well engineered. 🖐🏻73's🎙🎧 KD9OAM 📻 USS Newport News (CA-148) USS Springfield (CLG-7)

@flyingfox8072 4 месяца назад

I am having couple of these tubes. 😁😁

@RadioHamGuy 2 года назад

Thanks once again!

@joefishtale 8 месяцев назад

“If you can agree that I can fire you at the end of the year if it fails” Ya, and if it succeeds, if you can agree that since I am also taking such a risk, I receive XYZ of the profits of future sales. People seem to get away with taking advantage of engineers because of their lack in people and negotiating skills.