Originally owned by machinist John Walker, this massive factory located on what was once known as Waverly Ave in Cleveland, Ohio, housed the Walker Manufacturing Corporation. The company manufactured a vast amount of heavy machinery varying from hydraulic shears and hydraulic riveters to cable railroad machinery and foundry equipment. In 1894, Walker was in the midst of a patent-infringement lawsuit, which was filed by the owner and founder of Westinghouse Electric, George Westinghouse. Four years later, in 1898, Walker lost the court battle, forcing him to surrender his manufacturing plant,…