Some of the most beautiful work of this craftsman, and many others, are in this book “Liège Gunmakers through their Work. 1800 - 1950”.
For more detail see: LIEGE GUNMAKERS
Christophe Louis and Montigny Joseph.
Mentioned in period documents as "Mechanical engineers" in Liege and in Brussels, Belgium, and applicants for the British patent 3553/1867 for a "battery gun for blast discharging ", i.e the original patent for the "Montigny Machine-gun".
They registered many patents including one for a weapon known as ''machine gun" Belgian Patent n° 22199 on 12.09.1867.
Alain
Photos Littlegun