Cannon/Mortar Identification

[kai]

Thanks, Udo!

Invented by the Dutch military engineer Baron Menno van Coehoorn (seems the German transliteration Cöhoorn, abbrev. as Cöh. got applied to this piece), often shortened to Cohorn in international military parlance.

Regards,
Kai

[Gruawaesk]

Thanks a lot guys for the fast replies.
It was normally mounted on a carriage like shown below. The metal prongs on the sides fit into deepenings in the carriage, wich keeps it in place while transporting.