Quote:
Originally posted by john_cramer
Pile those cannonballs up again.
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From the web
(I think it is a good story but not true)
In the heyday of sailing ships, all war ships and many freighters
carried iron cannons. Those cannon fired round iron cannon balls. It was
necessary to keep a good supply near the cannon. But how to prevent them
from rolling about the deck?
The best storage method devised was a square based pyramid with one
ball on top, resting on four resting on nine which rested on sixteen.
Thus, a supply of thirty cannon balls could be stacked in a small area
right next to the cannon.
There was only one problem -- how to prevent the bottom layer from
sliding/rolling from under the others. The solution was a metal plate
called a "Monkey" with sixteen round indentations. But, if this plate
was made of iron, the iron balls would quickly rust to it. The solution
to the rusting problem was to make "Brass Monkeys."
Few landlubbers realize that brass contracts much more and much
faster than iron when chilled. Consequently, when the temperature dropped
too far, the brass indentations would shrink so much that the iron cannon
balls would come right off the monkey. Thus, it was quite literally,
"Cold enough to freeze the balls off a brass monkey!"