[TUHS] Help Preserving 8in LSX Floppies?

[Tom Lyon via TUHS]

I've seen on Facebook that Dave Plummer has some PDP-11 floppy drives.
Working? I dunno.

On Fri, Jul 10, 2026 at 5:23 PM segaloco via TUHS <tuhs at tuhs.org> wrote:

> Hello, exciting news, I've just received a whole bunch of 8" floppies,
> among them are two labeled:
>
> UNIX OPERATING SYSTEM LSX
> SYSTEM MASTER (10-29-77)
>
> There are two disks, the second of which additionally bears:
>
> /USR FILE SYSTEM
>
> so presumably the root and usr disks for LSX.  Both are typed labels.
> Along with these are 6 with printed listings and hand-written labels
> indicating snapshots of the /usr directory from one or multiple LSX systems
> (some are labeled "original", some "development").  Two of the disks are
> source dumps of a kernel, with one looking like the file listing of a
> typical V6-ish kernel and the other having some extra LSX-ish bits, but its
> just path names so couldn't say what is contained therein.
>
> I currently have no means to extract 8" floppies, so wanted to ask if
> anyone on list is able to?  I can't speak to the FS details although I
> imagine something like a V6-ish filesystem is involved.  Raw dumps of the
> disks should allow decoding the FS at a later date.  There are other
> floppies too, among them some snapshots of UNIX game source code as well as
> a smattering of RSX-11 and/or RT-11 stuff.
>
> Anywho, if anyone has the machinery, I'll happily pay for the shipping and
> your time.  In the meantime I'll keep these safely tucked away.  I'm
> primarily focused on the LSX stuff but maybe the other bits could be
> interesting too.
>
> - Matt G.
>