original: further , the term " the celsius or centigrade thermometer " was again used in reference to a particular type of thermometer at least as early as 1850 .
simplifications: moreover , the term " celsius or centrigrade thermometer " was again used in reference to a special type of thermometer at least as early as 1850 . " the celsius or centigrade thermometer " is reference as a type used as early as 1850 . the term " the celsius or centigrade thermometer " was used in reference to a particular type of thermometer in 1850 . the term " the celsius or centigrade thermometer " referred to a particular thermometer type from as early as 1850 . further , the term " the celsius or centigrade thermometer " was again used to a particular type of thermometer at least as early as 1850 . further , at least as early as 1850 the term " the celsius or centigrade thermometer " was again used to refer to a type of thermometer . the celsius or centigrade thermometer was used in reference to a particular type of thermometer as early as 1850 . further , the term " the celsius or centigrade thermometer " was again used to refer to a special type of thermometer at least as early as 1850 .