INERT GAS FILLED DIAL TYPE THERMOMETER WITHOUT CONTACTS TO DRG. 24021040835 # 1 REV 08., INERT GAS FILLED DIAL TYPE THERMOMETER WITH CONTACTS TO DRG NO. 24021040833 # 01 REV 07., INERT GAS FILLED DIAL TYPE TEMP GAUGE WITH CONTACT TO DRG NO. 24021040826 # 01 REV 09., INERT GAS FILLED DIAL TYPE TEMP GAUGE ( WITHOUT CONTACTS ) TO DRG NO. 24021040832 # 1 REV 05.