Shearing machines have been around for centuries, and they have undergone a lot of evolution over time. The first recorded use of a shearing machine was in 1762, when an Englishman named Thomas Covell patented a hand-powered machine. However, it was not until 1820 that the first powered shearing machine was invented. This machine was powered by a steam engine, and it proved to be much more efficient than hand-powered machines.