On 04/03/2018 09:59 AM, Adrian Caspersz wrote:
You might enjoy this?

http://www.angelfire.com/electronic/...bes/index.html


I corresponded via email with that site's owner a couple times many
years ago he was always very polite and enthusiastic and seemed glad
some younger people who weren't born yet in the "tube era" were checking
out his material