This
is the baby PDP11. Strange model this one as it's put
together by Plessey.
Internally it has a KDJ-11A processor card from DEC (Part No
M8192)
The internal tape drive is a DC600 type cartridge drive recognised as a
TSV05
The single disk drive is a Seagate ST-251 MFM drive recognised as a RA81
3840 Kbytes of RAM
DZ11 8 port serial card