IN A GIVEN SPACE AND TO REGULATE THE DEGREE OF HUMIDITY OF THE AIR IN THAT SPACE , OR WHICH ARE AT LEAST INTENDED AND MAKE IT POSSIBLE TO ADJUST THE LEVEL OF HUMIDITY WHICH IS MERELY THE AUTOMATIC RESULT OF THE TEMPERATURE SELECTED . IT DOES NOT APPLY TO MACHINES MADE SOLELY FOR THE PURPOSE OF CHANGING THE TEMPERATURE OF THE SURROUNDING ATMOSPHERE , WHERE THE DEGREE OF HUMIDITY OF THAT ATMOSPHERE CHANGES ONLY AS AN AUTOMATIC RESULT , WHICH CAN NEITHER BE REGULATED NOR ADJUSTED , OF THE TEMPERATURE .
2 . IN SO FAR AS THE CONCEPT OF RELATIVE HUMIDITY TO WHICH THE NATIONAL COURT HAS REFERRED CORRESPONDS TO THAT OF THE DEGREE OF HUMIDITY , THE EXPRESSION ' ' FOR CHANGING THE TEMPERATURE AND HUMIDITY OF AIR ' ' MEANS CHANGING THE RELATIVE HUMIDITY .