That's a great find. A lot of work to do, but the main original parts are in place.
The gauges are K1 gauges. This bike needs sandcast gauges of the third series. If you need a set (they are rare), I have some in stock and these are for sale.
You need the gauges with this drive body:
![](https://lh4.googleusercontent.com/-Wuzr-zgjgho/TSrykBJBniI/AAAAAAAADxE/dx3jMimJOzg/s912/gear%2520%25235119%252002.JPG)