Science and invention in Birmingham 1054 Mk XVIs) had been built. CBAF became the largest and most successful plant of its type during the 1939–45 conflict. As the largest Spitfire factory in the UK, by producing up to 320 aircraft per month, it built over half of the approximately 20,000 aircraft of this type. 1944: Anthony Ernest Pratt takes out his first patent for a board game named 'Murder', this is later to become the world-renowned murder mystery game 'Cluedo'. 1946: Chance Brothers produce the first all-glass syringe with interchangeable barrel and plunger, thereby allowing mass sterilisation of components without the need for matching them.
Mystery Mansion (board game) Mystery Mansion (board game) Mystery Mansion is the name of a series of board games in which players search furniture and other objects inside a mansion to locate a hidden treasure or stash of money. The first version of the game was released by the Milton Bradley Company in 1984, the same year when Hasbro took over that company. Instead of a standard game board, the original "Mystery Mansion" features a modular board where players build the mansion by adding new rooms drawn at random. Hasbro then released an electronic talking version under its Parker Brothers brand in the 1990s.