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.