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APPARATUS TO DETECT TEMPERATURE DIFFERENCES BETWEEN TWO LOCATIONS OR POSITIONS, AND PROCESS AND APPLIANCE TO MAINTAIN A COLLECTOR SET IN OPERATIVE ALIGNED RELATIONSHIP WITH A HEAT SOURCE
APPARATUS TO DETECT TEMPERATURE DIFFERENCES BETWEEN TWO LOCATIONS OR POSITIONS, AND PROCESS AND APPLIANCE TO MAINTAIN A COLLECTOR SET IN OPERATIVE ALIGNED RELATIONSHIP WITH A HEAT SOURCE
Temperature differential sensing means (10; 10a) are suitable for sensing temperatures at respective opposite sides of a heat shield (11) whereby alignment of the shield with respect to a heat source may be monitored so as to enable the shield to be maintained in operative aligned relationship with the heat source.
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