if you could recommend which type of tool i may need i can get one and see. thanks

i want to remove the back but i am not sure how to and i don't want to damage it. is it very difficult?

hello everyone. Here I have a piece I found in my loft when clearing through family items. Not a great deal of info other than its old. I'm lead to believe it may be around 1950s Any info on the model it may be roughly and age would be great and also anywhere to get serviced in london. It's still fu