One way you could do things is to debootstrap the hosts using the
Devuan Install CD.

It's not for the faint hearted but I'd suggest install once and upgrade
on each stable release.

To get some tips on what that might involve you can see this
(unfinished) document:

https://git.devuan.org/dev1fanboy/Upgrade-Install-Devuan/wikis/upgrade-with-wheezy-minimal-install

I was originally going to post this as the install guide (luckily found
a copy on disk), but since Devuan installer CD is working some of it
was not relevant to Devuan, others parts were optional. You'll have to
adapt it and I suggest using it with with care as I planned to test
this before posting.

 
On Saturday, November 7, 2015 6:44 AM, Scienceof Atomics
<info@???> wrote:
 
> A quick thought.
>
> Would it be possible and/or desirable for the end result of the
> dev1fanboy  
> process to be captured as an image and used to create a short Devuan
>  
> Install CD (not DVD)?
>
> This probably belongs on the Devuan website, but I've been following
> this  
> mailing list because of mutual interest.
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