Actually yes, sir he did. I will grant you that PO did not have the benefit of modern day chronographs when he was developing a lot of his wildcats. According to Zeglins book, he was a fastidious tester developing his own momentum pendulum and having to calculate pressure manually. Additionally Zeglin devoted a chapter in his book to testing PO tests just to make sure. He prooved exactly what PO claimed a generation earlier actually happened. As I said, it is a good book and I highly recommend.
P.O. Ackley might have been a fastidious tester and Zeglin might have written a great book about him, but I am of the opinion that at least some of the loads that POA published run at very high pressures such that they might be dangerous to the shooter under some conditions and in some firearems.
