Creating boot disks for a DECMate III

[djg at pdp8.net]

>I've recently got hold of a pair of DECMate IIIs  and would like to get
>them up and running with OS/278. Unfortunately they didn't come with any
>media so I'm wondering if anyone knows of a site that has some suitable
>boot images that I can copy onto 5.25" floppies with PUTR
>
http://www.dbit.com/pub/pdp8/images/block/

I was about to post the link to the alt.sys.pdp8 message with the
instructions on how to use these images with putr but it now looks like 
google groups now requires you to sign in to view.