Quote:
Originally Posted by Bruno
Especially not with manufactured items. How much does it cost to get a vacuum tube made these days? If I heard correctly, the last factory in the Ukraine shut down, so at this point you're getting an artisan glassblower to make the glass part, and an electrician to solder and assemble each one by hand. Because the demand dropped.
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Part of the BBC's decision to abandon longwave broadcasting is that it is now insanely expensive for them to replace the vacuum tubes in the transmitters. Apparently.
As for the water wheel not being fast enough to turn a grinding wheel ... isn't that just a matter of gearing?