The Magician's Own Book, or, the Whole Art of Conjuring / Being a complete hand-book of parlor magic, and containing over one thousand optical, chemical, mechanical, magnetical, and magical experiments, amusing transmutations, astonishing sleights and subtleties, celebrated card deceptions, ingenious tricks with numbers, curious and entertaining puzzles, together with all the most noted tricks of modern performers.

by George Arnold; Frank Cahill

And each pronounces 'tis the famed Cognac.

"Won't we have many a jolly night, my boy!

May no ill luck our present hopes destroy!"

'Twas fortunate one knew the mathematics,

And had a smattering of hydrostatics;

Then measured he the casks, and said, "I see

This is eight gallons, those are five and three."

The question then was how they might divide

The brandy, so that each should be supplied

With just four gallons, neither less nor more.