Brent,
A couple of pix of Beretta and then a link to a thread on this rifle in the gun making forum over on Nitro Express. Enjoy.

Gun made by Robert "Bob" Hynden of Iowa. He did have Ellis Browns books and several others as ell as interaction with other gun makers on the Nitro Express forum.
My Simson .405 DR thread by Bob aka Birdhunter50

http://forums.nitroexpress.com/showflat.php?Cat=0&Number=265159&page=0&fpart=1&vc=1
Beretta 45-70 by Bob:
http://forums.nitroexpress.com/showflat.php?Cat=0&Number=108506&page=0&fpart=1&vc=1

NRA Patron, TSRA, Whittington Center, DWWC,DRSS
Reloading Ballistics App at http://www.xplat.net/