Gary Reeder
Seems like Elmer was possibly the first to use duplex or
Friday, January 19, 2024, 14:04

even triplex powder loads. Even before Dick Casull. I heard several times thru the years that Casull had a basket full of blown up revolvers working eventually to a 454 load. It seems that I remember someone else playing with duplex and triplex loads. I can't remember exactly who it was though.