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Speargun Speargun in use by a diver. A speargun is a ranged underwater fishing device designed to launch a tethered spear or harpoon to impale fish or other marine animals and targets. Spearguns are used in sport fishing and underwater target shooting. The two basic types are pneumatic and elastic (powered by rubber bands). Spear types come in ...
It acquired the wire rope division of A.H. Leschen & Sons of St. Louis, Missouri in 1962; the Armco Steel wire rope division in 1988; the Rochester Corporation wire rope division in 1998; the Broderick Bascom Rope Company and MacWhyte Wire Rope Company of Wisconsin in 1999; the Aceros Camesa in Mexico in 2005; entered into a joint agreement ...
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.
A common carp shot with a band-powered speargun by a diver using snorkelling gear, Minnesota, US Freshwater pike catch in Finland. Many US states allow spearfishing in lakes and rivers, but most of them restrict divers to shooting only rough fish such as carp, gar, bullheads, suckers, etc.
The company specialized in ship rigging, and was chosen among other competitors in the early 1900s to manufacture the rope used on the USS Constitution. The company's twine, Plymouth binder twine, popular among farmers, was the inspiration for the naming of the Plymouth brand of automobiles first produced in 1928. In the 1910s, its mill was the ...
Usha Martin Limited is an Indian multinational company that primarily operates in the steel and wire rope manufacturing industry. It was founded in 1961 by Basant Kumar Jhawar and is headquartered in Kolkata, West Bengal, India. [4] Usha Martin has grown to become one of the largest wire rope manufacturers globally. [5] [6]
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.
British Ropes was a company established on 6 June 1924 through the merger of eight companies. The companies were: Gateshead Haggie Brothers, Gateshead; Tyne Wire Drawing Co (a subsidiary of the above) Liverpool: R. S. Newall and Son; London: Bullivant and Co; Newcastle upon Tyne: Thomas and William Smith; Sunderland: Craven and Speeding and Co,