Well, there you have it, a mashup of unmashable things.
I changed the aletheiometer, because I disagreed with the movie’s portrayal. Same as I did for Lyra’s costume. Yes, it’s cold. Yes, it’s on the poles. But still, she refused to put on pants untill the second book, and even then, she made a whole mess about it.
In short, I am a books fanatic, and I will take none of the movie-geeks remarks.