> "Finally," he concluded, "there are many other ways of solving the problem. Probably the best," he said, "is to take the barometer to the basement and knock on the superintendent's door. When the superintendent answers, you speak to him as follows: 'Mr. Superintendent, here is a fine
barometer. If you will tell me the height of the building, I will give you this barometer.'"

Haha! Yes! That was the first method *I* thought of when I first read the question.

What a great story. Thanks, Issachar.