[ FIRING SYSTEMS FOR ANODE BAKING FURNACES, SAID SYSTEMS CONSISTING OF FUEL FLOW CONTROL APPARATUS, TEMPERATURE CONTROL APPARATUS, PROGRAMMING UNITS, CENTRAL DATA ACQUISITION APPARATUS, THERMOCOUPLE RAMPS, AND BURNER RAMPS; ] SCIENTIFIC INSTRUMENTS AND APPARATUS, NAMELY, CALORIMETERS, THERMO-ANALYZERS, [ HIGH TEMPERATURE TORSION SIMULATING MACHINES, ] SIGNAMETERS, [ MASSFLOW METERS FOR GASES AND LIQUIDS, HIGH TEMPERATURE VISCOMETERS, GAS MIXTURE BLENDERS; INERT GAS PURIFIERS, ] AND ANALYTICAL...