Forbes Marshall (Hyd) Ltd. is pioneer in manufacturing of Dial Thermometers, Pressure Gauges, Vaccum Gauges, Compound Gauges, IBR approved Gauges, Comparison Test Pumps, Combustion Test Kits, Fyrites CO2 & O2, Temperature recorders and Pressure recorders. FORBES MARSHALL (Hyd) Ltd is pioneer in manufacturing of Dial Thermometers, Pressure Gauges.