 Complete the following phrase:  The first show, held between 22 and 26 August 1876, attracted 17,000 visitors. The centrepiece of the grounds was the timber exhibition building which housed 1,700 individual exhibits in total. One of the first popular attractions was a timber bridge built by saw-miller William Pettigrew. All visitors to the show were given a free bag of coal; this is considered the first example of what would become the showbag. The show was a spin-off from the famous International Exhibitions being held in Britain and worldwide dating from the 