I thought you guys may enjoy this...
http://aiju.de/code/pdp11/
It's a PDP-11 with a teletype console, and a RK05 with Unix v6.
Because browsers are weird, here is some of the keycommands...
DEL is the interrupt key (^C on modern *nix), Pause the quit key (^\
or ^L) and PrtScr is EOF (^D).
Jason