Great vintage technology site...

[Nick]

...or a way to lose a whole afternoon (or more)!

http://www.bunkerofdoom.com/

There are at least 50 articles there of interest to me...

[boiss]

Great stuff for a rainy afternoon, along these lines I have a copy of the Amateur Scientist from 1962.
The projects include:- A Homemade Atom Smasher, An Inexpensive X-Ray machine and the Hilsch Vortex tube.
Mike

[Yorkie]

Nice find Nick!

When looking at this booklet on '45 designs for tube amplifiers' the first thing that occurred to me was that the neat drawings were skilfully accomplished using drafting tools, as was the case of course until not many years ago when CAD came into being, rendering tee squares, set squares, compasses and 'Uno' pens all but obsolete. The other thing was that the text was typed on a mechanical typewriter, which - like sewing machines were clearly contrived and skilfully made from hundreds of small individual components. Over the space of a few years, typewriter production steeply declined, supplanted by word processors, to a point at which I believe that typewriters are no longer produced anywhere in the world.

http://www.bunkerofdoom.com/lit/PRACTICA...IFIERS.PDF

An eclectic range of fascinating stuff on that site!