Corrected entry: When Jack the Ripper and H.G. Wells play chess, the chessboard is in the wrong position. A black square is in the lower-right corner facing the opponents. According to chess rules, the board must be laid down such that there is a white square in the lower-right corner facing each opponent.
Corrected entry: Jack the Ripper enters Amy's apartment, kills her friend and severs her arm, spraying blood over all the walls and floor, yet manages to avoid getting any blood on himself.
Corrected entry: When Wells realizes that The Ripper has escaped into the future, he makes very hasty arrangements to follow the villain in the time machine. He hurriedly scrapes together what little cash he has on hand so as to depart immediately. But why does he need to be in such a hurry? Once he calculated the target date for the journey, he could've taken all the time in the world to procure as much cash as he wanted before leaving.