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Re: 20151220 18th Century Technology Preservation

I actually cover that subject on my blog as well: There are links to more information there, as well as a very interesting video showing the process. The elements of the tube are actually quite straightforward. The difficult part is achieving...
by OneTubeRadio
Thu Dec 24, 2015 9:29 pm
Forum: How best to preserve vital knowledge?
Topic: 20151220 18th Century Technology Preservation
Replies: 1
Views: 12822

Homemade piezoelectric crystals

One of the more challenging parts of building a radio from scratch is fabricating something to turn the radio signals into sound, namely an earphone or speaker. Everything else is quite simple, as long as basic technology to make metal is available. On my blog, I describe a method to make piezoelect...
by OneTubeRadio
Sun Dec 06, 2015 6:41 am
Forum: 10. Communication
Topic: Homemade piezoelectric crystals
Replies: 0
Views: 6504


Hello from Minnesota, USA. I enjoyed the book very much. In fact, I posted a review on my blog, which is at the following link: As you can see, one of my interests is electronic communications, so I hope to be able to sh...
by OneTubeRadio
Tue Sep 08, 2015 3:39 am
Forum: New members
Topic: Intro
Replies: 1
Views: 14357

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