OK, WI big rail-guns along the lines of the massive German & A-H pieces of the 2 WWs came into existence pre-1900 ? Who'd be the most likely candidates to do so, with what effects ?
http://en.wikipedia.org/wiki/Big_Bertha_(howitzer)
http://en.wikipedia.org/wiki/Paris_Gun
http://en.wikipedia.org/wiki/Langer_Max
http://en.wikipedia.org/wiki/Anzio_Annie
http://en.wikipedia.org/wiki/Big_Bertha_(howitzer)
http://en.wikipedia.org/wiki/Paris_Gun
http://en.wikipedia.org/wiki/Langer_Max
http://en.wikipedia.org/wiki/Anzio_Annie