+1 on the Derby/Brown book. I updated my old "Imperial Hand Cannons of Japan" by Derby with his newest expanded edition. It will answer all your questions, complete with photo examples.
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
Gunboards Forums
A forum community dedicated to all firearm owners and enthusiasts. Come join the discussion about optics, makes, models, gunsmithing, styles, reviews, accessories, classifieds, and more!