of iron, the fusibility of copper, the lightness of glass. It is
easily wrought, is very widely distributed, forming the base of
most of the rocks, is three times lighter than iron, and seems to
have been created for the express purpose of furnishing us with
the material for our projectile."

"But, my dear president," said the major, "is not the cost price
of aluminum extremely high?"

"It was so at its first discovery, but it has fallen now to nine
dollars a pound."

"But still, nine dollars a pound!" replied the major, who was
not willing readily to give in; "even that is an enormous price."

"Undoubtedly, my dear major; but not beyond our reach."

"What will the projectile weigh then?" asked Morgan.

"Here is the result of my calculations," replied Barbicane.
"A shot of 108 inches in diameter, and twelve inches in
thickness, would weigh, in cast-iron, 67,440 pounds; cast in
aluminum, its weight will be reduced to 19,250 pounds."

"Capital!" cried the major; "but do you know that, at nine
dollars a pound, this projectile will cost----"

"One hundred and seventy-three thousand and fifty dollars ($173,050).
I know it quite well. But fear not, my friends; the money will not
be wanting for our enterprise. I will answer for it. Now what say