34131-8,, Twin Cessna Aircraft Cylinder Head Temperature Indicator

2 1/4" Twin Cessna Aircraft Cylinder Head Temperature / CHT Indicator as shown on photos. Manufactured by Simpson Inc. P/N 34131-8. It was removed from a salvage Cessna 310 aircraft. Glass is loose and needle can stick on it at times and glass will have to be secured. Sold as is, no returns will be accepted.