> The problem is that "degrees C" is overloaded here, to mean both a position on a scale, and the size of a unit on that scale I understood that Celsius always

> The problem is that "degrees C" is overloaded here, to mean both a position on a scale, and the size of a unit on that scale I understood that Celsius always referred to the position on the scale, and the unit was always Kelvin. At least, that's how I use the terms.