> -----Original Message----- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck > Guzis via cctalk > Sent: 27 October 2017 22:06 > To: cctalk@classiccmp.org > Subject: Re: Which Dec Emulation is the MOST useful and Versatile? > > 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
The Elliot 803 used ferrite transformers as logic elements.... https://en.wikipedia.org/wiki/Elliott_803 Dave