On 10/27/2017 01:39 PM, Al Kossow via cctalk wrote: > > > On 10/27/17 12:57 PM, Paul Koning wrote: > >> That doesn't sound even close. > > http://www.ussc90.nl/circ.htm > > > Ferractors. > Can't forget Parametrons: https://www.thocp.net/hardware/parametron.htm http://museum.ipsj.or.jp/en/heritage/NEAC-1101.html --Chuck