Yep, cordite was always a flame thrower, but Ballilstite and most early American powders were also barrel napalm.
The rise of Du Pont's military rifle and improved military rifle powders as the standard US propellant class was due in part to their burning significantly cooler than WA 30.
Hey, another powder history discussion....
You and I seem to be stuck in a rut, Jim.
Back when I worked for a guy who had a gun shop, he had his class 3 license and kept some class 3 stuff in the shop, including for a time a beautifully restored Model of 1917.