Lead shot
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Lead shot is a collective term for small balls of lead, traditionally made using a shot tower. It is used for a variety of purposes. One use of shot is in shotguns.
Lead shot was pioneered by William Watts of Bristol who adapted his house on Redcliff Way by adding a three story tower and digging a shaft under the house through the caves underneath in order to achieve the required drop. The process was patented in 1782.
Lead shot has been used to provide variable weight in stress testing systems. Shot pours from a hopper into a basket, which is connected to the test item. When the test item fractures, the chute closes and the mass of the lead shot in the basket is used to calculate the fracture stress of the item. Shot comes in three sizes: B, BB and BBB.
Split shot, that is shot cut half through, has been commonly used as a line weight in angling.
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