ESSEX

THERMOSTATS, TEMPERATURE RESPONSIVE SWITCHES, THERMALLY OPERATED VALVES, AND COMPONENTS THEREOF; ELECTRICAL TIME DELAY CONTROLS, ELECTRICAL THERMAL AND CURRENT OVER-LOAD CONTROLS FOR PROTECTING ELECTRICAL EQUIPMENT; FLAME AND THERMAL CONTROLS FOR FURNACES AND GAS APPLIANCES INCLUDING COMBINED TEMPERATURE REGULATOR AND SAFETY PILOT CONTROLS FOR GAS BURNERS; HUMIDISTATS; LEAK DETECTOR KITS; APPARATUS FOR FORMING TEST SHEETS FROM PULPS AND FOR EVALUATING THE PHYSICAL PROPERTIES OF PULPS