Click image for larger version.  Name: IMG_4737.jpg  Views: 208  Size: 144.2 KB  ID: 36994I have just joined here after browsing for a little while and I am hoping some one can help me with identifying the attached instrument and also what it does. It is in a battered but fitted case and it was in a tool auction with some tools I wanted. I will probably sell it eventually unless it is useful to me in what I do.
Regards, Peter.