At work I am often exposed to this graphic:
Think about it for a moment. Yes, we have ℉ and ℃ and the numbers match up. But the scale is ten steps on each side but there should be 18 on the left if there are 10 on the right!
I appears that the person who made this graphic (could be this one) likes the template and has made these versions as well:
I have no words.