[MR] ISO The Craftsman's Handbook

[Geffrei Maudeleyne]

Although not the best translation, 

The text is viewable on-line at
http://www.archive.org/stream/bookartcenninoc01herrgoog#page/n7/mode/2up

If your Italian is good.
http://www.archive.org/stream/illibrodellarte00cenngoog/illibrodellarte00cen
ngoog_djvu.txt

Get Thompson's translation Dover Edition ISBN 0-486-20054-X

My copy is actually in use at the moment.

Geffrei