Deep inside Brompton Cemetery in London resides a large mausoleum. This is the tomb of Hannah Courtoy, a wealthy woman who died in 1849. According to official records, she is interred inside this tomb along with two of her three adult daughters. However, according to local legend, the tomb also contains a working time machine. Before Hannah Courtoy died, she was friends with a renowned Egyptologist named Joseph Bonomi. Bonomi was convinced that he had discovered the secrets of time travel through studying Egyptian hieroglyphics. Bonomi teamed up with engineer…