1860 British Gyroscope at the Victoria and Albert Museum of Childhood, London - From the curators' comments: "The Victorian era was a time when the study of science was greatly encouraged. Toys that were also educational, such as this gyroscopic top, were very popular. Gyroscopes were used as balance levels in airplanes and submarines."
Cheeky chap: During his visit to the Royal Naval Submarine Museum, Gosport, Prince William said it was lucky Prince George was not here. 'I think he'd get up to all sorts of mischief pulling on things,' he said
Strapped in: A diver secures a 5.4m statue of Hapy, a divine personification of the Nile floods, to be lifted out of the waters. The colossal red granite carving will one of the exhibition's centrepieces. The six-tonne statue, which dates to the 4th Century BC is the largest known example of a Hapy statue