Sorry to hear that you have been down.
Yes, I firmly believe that I should track this rubbish down, translate it and publish it. It is unbelievable that the senior gunner of France should be spouting such tripe after the defeats that France suffered in the 7 Years` War. That`s why I asked if there is a translation of the rubbish.
I gather that Manson did some work on internal ballistics before this date, do you have details of it?