Removed this rev counter from my TR2 about 6 months ago. It had worked fine until it developed a loud whine when in operation and was too noisy to live with. I assume an internal bearing has worn, but not knowledgeable enough about gauges to give an accurate diagnosis. A different rev counter cable made no difference. Managed to obtain another gauge so never had this one restored. Could be restored or used on an exchange basis. The domed glass has a hairline crack near the centre, just visible in the photo.
Sold therefore as not working and in need of restoration. No warranty given nor implied. Not currently serviceable. Sold as seen.
For collection near Huntingdon Cambs or will post at extra cost.
Thank you for your interest.