Your share link is...

A 9x7 inch glass plate negative of a group of musical instruments, from the Waterloo Chamber at Windsor Castle. It shows a guitar, said to have been made from the head of the Duke of Schomberg's horse, killed at the Battle of Boyne, 1690; a Chinese musical instrument (bow is RCIN 74417); a long Chinese military trumpet (RCIN 74397); a pair of bell-shaped hammered brass cymbals; an Indian wind instrument. Print found in Inventory of Musical Instruments Placed in the Waterloo Chamber - see 2410933.