The toggling harpoon is an ancient weapon and tool used in whaling to impale a whale when thrown. Unlike earlier harpoon versions which had only one point, a toggling harpoon has a two-part point.

2022年10月26日 · The basic description of a toggle head iron is one where the moveable head is held streamlined to the harpoon shaft for darting, then pivots, or toggles, around the center of the head to a right angle to the shaft after penetration when force is applied to the line, thereby preventing withdrawal.

Temple invented the first successful toggle harpoon head. It was based on an age-old principle used by Inuit marine-mammal fishermen whereby a harpoon head made of bone or ivory was made to toggle around a loop in the whale line itself.

2021年2月10日 · This harpoon in the Southampton History Museum's collection is in the style of a Temple Toggle, a technique that was invented by the African American blacksmith and abolitionist Lewis Temple.

Temple developed a simple but significant refinement to the harppon: the so-called Temple toggle iron or gig. This feature at the tip of a harpoon offered a more secure way to hook into a whale. Unfortunately, Temple never patented his idea, which swiftly achieved widespread application throughout the world's whale fisheries.

2019年8月1日 · A New Harpoon Lewis Temple created the first iron toggle harpoon in his Walnut Street shop in 1848. It was similar to its Arctic predecessors, with a sharp point and swinging barb that was held in place by a pin.

Designed in 1845, the Temple Toggle employed the use of a pivoting iron head at the tip of the harpoon, which allowed the iron to swivel and lock in place upon penetrating the body of a whale, minimizing any risk of the harpoon pulling out. This simple, yet ground-breaking innovation revolutionized the whaling industry unlike any invention before.

One of these irons, or gigs, is shown in the closed position for entering the whale’s flesh; the other is toggled open to show how much harder it was to pull out. Date Made: 1882. Inventor: Temple, Lewis. Used: Whaling Related Event: The Development of the Industrial United States. Subject:

Once in the whale’s flesh, the sharp toggle tip swiveled sideways, making it harder for the tip of the weapon to pull out. Whales normally dove deep after the first prick, to try and escape the sharp jab from the surface of the ocean. This harpoon shaft was twisted by a descending whale.

Once in the whale’s flesh, the sharp toggle tip swiveled sideways, making it harder for the tip of the weapon to pull out. Whales normally dove deep after the first prick, to try and escape the sharp jab from the surface of the ocean. This harpoon shaft was twisted by a descending whale.