Hi,
There's a Hercus Mill Operator's Manual on ebay at the moment:
http://www.ebay.com.au/itm/171712230...%3AMEBIDX%3AIT
Looks like a photo copy but since they are rare as hen's teeth I'm bidding on it. If I win it, I'll be happy to p/c / scan it for members who may want it.
Ben