16th century Ottoman volley gun.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...n_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...volley_gun.jpg
Previously:
https://www.homemadetools.net/forum/...2756#post97065
https://www.homemadetools.net/forum/...5803#post82569
https://www.homemadetools.net/forum/...551#post128152
https://www.homemadetools.net/forum/...829#post144202
https://www.homemadetools.net/forum/...391#post127204