GWR Vacuum Brake Pressure Gauge. Brass cased stamped in rim with company initials and having a silvered dial bearing large 'G.W.R' initials. Measures 6 across the dial and shows a scale of 30 inches of mercury. Excellent condition. Together with a GWR large Tin Box, used at one time as First Aid Kit but now contains qty 15 Tourniquet Tins, most marked 'GWR' some with labels attached to indicate screw sizes etc, obviously used as a tool box!.