I enjoy a gramophone but the speed cannot be on the same wavelength, it runs frantically in a hurry. How can i remedy it? It is a HMV portable 102, and is there any suggestion on...

It is a HMV portable 102, and is there any suggestion on how can i repair the gramophone? How do I open it to repair and also to remedy the speed problem? Thanks for the suggestion and help.
Can a cracked commode be repaired?
Answers:    It sounds close to yours is at 160 rpm, one of the earliest recording speeds. Its not broken, you simply need to find cassette disks that fit.