Gauge, Pressure

Brass gauge with glass front. There are numbers around the edge of the face from 0-150 in increments of 20, and a final increment of 30. There is a metal arrow in the centre. The manufacturers information is on the face of the gauge, "MADE IN ENGLAND DESIGN No 0420-S PEACOCK BROTHERS LIMITED MONTREAL lb/in2 TRADE MARK 8379387" a handwritten note is also on the face of the gauge, "Oct 8/69 BJ". There is a small threaded pipe coming out the bottom of the metal gauge. There are three small holes on the bottom edge of the gauge.