Matt, a few articles that may be of interest.
BNJ 1962, Medieval minting techniques http://www.britnumsoc.org/publications/Digital%20BNJ/1962.shtml
BNJ 2004, The 1787 Shilling - A transition in minting technique, an interesting article with some information on the production of the 1787 shilling and some of the advancement towards modern coinage. http://www.britnumsoc.org/publications/Digital%20BNJ/2004.shtml
BNJ 2000, Theres an article about the use of the reducing machine http://www.britnumsoc.org/publications/Digital%20BNJ/2000.shtml
Not sure where your area of interest lies, but these are some articles I enjoyed reading and may be of help to you.