Instruction video on laserdisk

[E. Groenenberg]

Today I received a PDP-11 instruction video on a laser disk, part 3 & 4.
The disk partno. is EY-5537E-V2-0001, the title says
'Introduction to the PDP-11, Internal use Only, (c) 1988'

Besides that, no indication if the video stream is NTSC or PAL.

Anybody have a clou?

I want to have the disk read and put the video on youtube eventually.

Ed
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Ik email, dus ik besta.