First of all, "Olin" developed the WSM's... NOT WINCHESTER AND NOT JAMISON. The R&D for the WSM's was in the 100's of thousands and was incurred by Olin. Jamison developed the JAMISON LINE OF CARTRIDGES and spent a couple thousand bucks (maybe) for drawings and reamers.

The guy's a boring writer. I'm glad he's got his retirement funded... now maybe he'll go away.