BTW: Mullerite was marketed by
Louis Muller & Cie S.A. des Explosifs de Clermont, Liege in 1899. No. 1 was a Bulk Smokeless; No. 2 a faster burning 33 grain Bulk powder.
Poudreries Runies de Belgique acquired Muller & Cie in 1919.
http://books.google.com/books?id=inQCAAAAYAAJ&pg=PA343&lpg1908
Rod & Gun Canada
Mullerite Bulk smokeless was still offered in the 1915 New York Sporting Goods Co. catalog.
Ol' Louis borrowed the Parker 1893 Columbian Exposition Trade Card for his cans
http://books.google.com/books?id=rblIAAAAMAAJ&pg=PA1114&lpg


Wolffe & Co. in Walsrode, Prussia had a London agent, George Beutner, in 1892 then established The Walsrode Smokeless & Waterproof Gun Powder Co. in 1894. Walsrode Gray 33 grain = 3 Dram; Green 30 gr. = 3 Dram.
In 1895, agents included Von Lengerke & Detmold, N.Y., Von Lengerke & Antoine, Chicago, M.F. Kennedy & Bros., St. Paul, and Clabrough, Golcher & Co.
In 1895, President Grover Cleveland order 1,800 ducking shotshells from William Wagner, Washington D.C. and specified they be loaded with Walsrode
http://library.la84.org/SportsLibrary/SportingLife/1895/VOL_25_NO_01/SL2501014.pdf In 1903, Schoverling, Daly & Gales advertised as the Sole U.S. Agents and listed Walsrode as The Original Dense Smokeless
Walsrode borrowed "Monarch of the Glen" by Sir Edwin Henry Landseer
1915
Forest & Stream