Think you've got all the info you'll need Ray- the word 'kist' (chest) is used in Scotland as well as the NE of England. Nothing to do with the thread, but if you don't know of it, there is an excellent Scottish website www.tobarandualchais.co.uk which is translated by the website (for non-NE English readers) as the 'Kist o Riches'.
It's an amazing collection of songs & music collected in Scotland over many years even if the odd Geordie melodeon player sneaks in here & there!