Glass harmonica Franklin and a fellow of the Royal Society, extended the experiments of Pockrich, contriving a set of glasses better tuned and easier to play. During the same decade, Christoph Willibald Gluck also attracted attention playing a similar instrument in England. Benjamin Franklin invented a radically new arrangement of the glasses in 1761 after seeing water-filled wine glasses played by Edmund Delaval at Cambridge in England in May 1761. Franklin worked with London glassblower Charles James to build one, and it had its world premiere in early 1762, played by Marianne Davies. Writing to his friend Giambatista Beccaria in Turin, Italy,
Hawarden Castle (18th century) Hawarden Castle (18th century) (New) Hawarden Castle () is a house in Hawarden, Flintshire, Wales. It was the estate of the former British prime minister William Ewart Gladstone, having previously belonged to the family of his wife, Catherine Glynne. Built in the mid-18th century, it was later enlarged and externally remodelled in the Gothic taste. The core of the present house is formed by a mansion built in 1752–57 for Sir John Glynne, 6th baronet, to the designs of Samuel Turner the elder of Whitchurch. It replaced the 16th century Broadlane Hall, the seat of the Ravenscroft family, which stood