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Harpoon cannon outside of the Scott Polar Research Institute in Cambridge. A harpoon cannon is a whaling implement developed in the late 19th century and most used in the 20th century. It would be mounted on the bow of a whale catcher , where it could be easily aimed with a wide field of view at the target.
On the larger rope there is a loop on the end big enough for the divers thumb. The rope is placed on the thumb, then wrapped around the back of the hand. In this setup the spear is also totally free from the gun, allowing the diver to work the fish using the large rope, while keeping his gun safe.
It has sharp spikes to prevent the harpoon from sliding out. Thus, by pulling the rope with a motor, the whalers can drag the whale back to their ship. [citation needed] A recent development in harpoon technology is the hand-held speargun. Divers use the speargun for spearing fish. They may also be used for defense against dangerous marine animals.
Spearfishing is fishing using handheld elongated, sharp-pointed tools such as a spear, gig, or harpoon, to impale the fish in the body. It was one of the earliest fishing techniques used by mankind, and has been deployed in artisanal fishing throughout the world for millennia.
Explosive harpoon used in Iceland in the 20th century. The explosive harpoon is a type of harpoon which uses an explosive discharge to assist in whaling. In Norway, Japan, and Iceland, the use of these harpoons is commonplace. Norway created and utilises the most technologically advanced grenades in their harpoons.
The M28 Jarmann harpoon rifle was a modification of the Jarmann M1884 Norwegian service rifle. Between the wars, several Norwegian gunsmiths attempted to create harpoon guns, [ 1 ] intended for hunting seals and shooting rescue lines to boats in distress.
Svend Foyn patented his grenade harpoon gun in 1870. He modified existing designs and utilized ideas developed by Erik Eriksen. It consisted of a cannon that fired a barbed explosive head harpoon. Aimed and fired, the harpoon barb would hook into the whale. A moment later an explosive charge in the head of the harpoon would inflict a mortal wound.
San Yan Chong three barrel hand cannon (Chinese) Shou Chong hand cannon (Chinese) Singijeon, shinkichon rocket arrow (Korean) Tanegashima arquebus (Japanese) Tarasnice cannon (European) Toradar, torador arquebus (Indian) Tu Huo Qiang hand cannon (Chinese) Veuglaire cannon (French) Wall gun, janjal, jingal, gingal (European, Middle Eastern, Chinese)