Analysis of information sources in references of the Wikipedia article "PDP-10" in English language version.
MIT ... built their own operating system, the fabled .. Incompatible Timesharing System
The PDP-10 was a mainframe computer family manufactured ... the cancellation of the PDP-10 line was announced in 1983.
PDP-10 processor augmented by special paging hardware
Infocom would develop Zork .. PDP-10 .. hosted .. Incompatible Timesharing System ... ARPANET ... DMG's machine ... community .. a sort of extended beta-testing team
PDP 1055 Dual processor (1050) system ... early DEC-10 monitors
DECsystem-10 ... dynamic paging and working set management
Maclisp on the -10 had used a mark&sweep GC (one version of which famously "ran in the register set," though that is another story)
PDP-10 processor augmented by special paging hardware
PDP-10 processor augmented by special paging hardware
PDP-10 processor augmented by special paging hardware
... with third-parties continuing to sell parts, so it's really not that ...