Ran across these interesting articles on the early days of smokeless powder. I did not realize that sporting shooters were a driving force for Schultze's powder. Neat about Annie Oakley smuggling it into France.
Dave
http://www.thenewforestguide.co.uk/history/new-forest-explosives/schultze-gunpowder-factory/
http://firearmshistory.blogspot.com/2017/01/smokeless-powders-further-developments.html