Quote:
Originally Posted by M ELEY
...Another controversy is with the brass grenade launchers. Some sources say that these rifle types were too short and too thin to be effective as launchers and that these guns were more likely for shooting off flares or fireworks. 
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Speaking of which ...
This example is in exhibition in the Portuguese Royal Palace of Vila Viçosa armour collection.
For what it is worth, the text says that it is a XVIII century Spanish (?) portable mortar, with a 73 m/m mouth. Cast in bronze, with a chamber of much narrower section, with a support hook in the lower part. Silex lock a la French. It shot 'case' with multiple projectiles. It was used in ships and parapets.
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