Oh and by the way, there are more tapes. Did I mention there are more tapes? No, I don't think I did. We sent a box of other tapes to the Computer History Museum along with the UNIX V4 tape. These are considerably newer, are not necessarily "lost", and may not be redistributable due to licensing issues.

But, for what it's worth, here are what the labels say they are:

* HP-UX 8.07 Sources for HP9000/S700, tar format (1 tape per: NFS, SAM, Commands, ARPA, Kernel, Network Services), DDS 60m
* HP-UX 9.01 Sources for HP9000/S700, tar format (1 tape total containing: ARPA, Commands, Help, Kernel, NFS, Network Services, SAM), DDS 60m
* ODE build environment, rc_files tools src, HP 92283A DDS 60m
* OSF1 Acorn 1.0 from Utah 6/25/92 INCOMPLETE, dd image of ‘c’ partition of Quantum 425S (64k blocks), HP92283A DDS 60m
* OSF Research Institute AD2.0 for X86 (tar format), Sony DDS 60m
* OSF Research Institute MK6.1 Release, September 27 1994, DDS 60m Media Recognition System
* HP-UX 8.01 single tar file of root and /usr, 8/22/91, HP 92283A DDS 60m
* Transarc Distribution Tapes, Sony DDS DG-60m (Restricted Rights Legend):
* Binary Distribution rs_aix31 x2 (AFS Version 3.1a and 3.1b)
* Binary Distribution HP300_UX70 x2 (AFS Version 3.1a and 3.1b)
* Source Distribution hp700_ux80 x2 (AFS Version 3.1b)
* Binary Distribution sun4c_411 x2 (AFS Version 3.1a and 3.1b)
* Source Distribution AFS 3.1a (AFS Version 3.1a)
* Source Distribution (Unknown) (AFS Version 3.1b)
* Acorn S115 sources tar b20 1/31/92, HP 92283A DDS 60m
* HP-UX 8.05 recovery system 2/18/92, HP 92283A DDS 60m
* HP-UX 8.05 backup of 720, HP 92283A DDS 60m
* Mt Xinu More/bsd 4.3 6250bpi Source Distribution 6/15/88 (4 tar files: usr/src, usr/src/sys, usr/ingres/source, usr/src/new)

I'll let you know if they find anything interesting on them!

• Type-safe, checked branches
• Evaluation of the input expression only once
• No errors on unused branches

Pick three.