Join Date: Sep 2008
Location: Bavaria, Germany - the center of 15th and 16th century gunmaking
Similar samples in which older barrels are united are two 16th-17th c. Pechlanzen (pitch lances) in the Emden Armory.
The pitch incendiary mass was set afire and the lance was hurled by some sort of a catapult onto the shingled roofs of a besieged town where the delicate iron arrowheads got stuck, and the blazing tar/pitch would splatter around. Additionally, the short barrels are barbed for better contact with the roof shingles.
The saucer-like wooden plate at the bottom was meant to direct the splashing fire right onto the roof.
The measurements are:
overall length 2.25 m
width of the tar saucer 21 cm
weight 3.2 kg
I took these photos in 1987.