Steam Pressure gauge, circular with indicator arm, indicates 0 to 15 psi, marked: 'Exhaust steam Pressure When engine is Steaming. Keep as Much below black line as possible. Never Allow to Pass red line.', manufactured by D.S.K. Pty Ltd, mascot, stamped: 'NSWGR No. 96st'. Gauge = 15 cm diameter, with metal base = 18 cm diameter, minor dents but still good condition