Gauge

Circular metal gauge with a glass front. The face of the gauge has numbers around the outside edge from 0-30 in increments of 5. It has an arrow pointer. The manufacturers information is on the face of the gauge, "038-523416 SINGLE SPRING THE JAS. MORRISON BRASS MFG.CO.LTD. TORONTO". There are two small holes on the lower edge of the gauge, and a third that has been filled in. There is a small threaded metal pipe at the bottom of the gauge.