There's a PDP-8 (/E or /M) backplane (presumably OMNIBUS) on eBay: https://www.ebay.com/itm/0-slot-Backplane-H1919-9216/402735040240
(The number is given incorrectly in the title; it's actually 'H9191'.)
Noel
There's a PDP-8 (/E or /M) backplane (presumably OMNIBUS) on eBay: https://www.ebay.com/itm/0-slot-Backplane-H1919-9216/402735040240
(The number is given incorrectly in the title; it's actually 'H9191'.)
Noel