Seven hundred pounds, however, seems beyond the ability of any such machines as this; but from his higher walls Archimedes could, of course, have rolled such stones down on the decks of the ships below. And if he were throwing other stones or leaden balls to a greater distance with his Onagers, it may well be that Plutarch or Livy did not take very accurate account of the particular engine which threw one stone or another.
Archimedes was killed by a Roman soldier, to the great grief of Marcellus, when the Romans finally took Syracuse. The city fell through drunkenness, which was, and is, the cause of more failure in the world than anything else which can be named. Marcellus, in some conversations about the exchange or redemption of a prisoner, observed a tower somewhat detached from the wall, which was, as he thought, carelessly guarded. Choosing the night of a feast of Diana, when the Syracusans were wholly given up to wine and sport, he took the tower by surprise, and from the tower seized the wall and made his way into the city. In the sack of the city by the soldiers, which followed, Archimedes was killed. The story is told in different ways. Plutarch says that he was working out some problem by a diagram, and never noticed the incursion of the Romans, nor that the city was taken. A soldier, unexpectedly coming up to him in this transport of study and meditation, commanded him to follow him to Marcellus; which he declining to do before he had worked out his problem to a demonstration, the soldier, enraged, drew his sword, and ran him through. "Others write that a Roman soldier, running upon him with a drawn sword, offered to kill him, and that Archimedes, looking back, earnestly besought him to hold his hand a little while, that he might not leave what he was then at work upon inconsequent and imperfect; but the soldier, not moved by his entreaty, instantly killed him. Others, again, relate that as Archimedes was carrying to Marcellus mathematical instruments, dials, spheres, and angles by which the magnitude of the sun might be measured to the sight, some soldiers, seeing him, and thinking that he carried gold in a vessel, slew him.
"Certain it is, that his death was very afflicting to Marcellus, and that Marcellus ever after regarded him that killed him as a murderer, and that he sought for the kindred of Archimedes and honored them with signal honors."
Archimedes, as has been said, had asked that his monument might be a cylinder bearing a sphere, in commemoration of his discovery of the proportion between a cylinder and a sphere of the same diameter. A century and a half after, when Cicero was quæstor of Sicily, he found this monument, neglected, forgotten, and covered with a rank growth of thistles and other weeds.
"It was left," he says, "for one who came from Arpinas, to show to the men of Syracuse where their greatest countryman lay buried."
III.
FRIAR BACON.
"All the world seems to have known of Columbus's discoveries as soon as he came home, but all the world did not know at once of Archimedes's inventions; indeed, I should think the world did not know now what all of them are."
Hester Van Brunt was saying this in the hall, as the girls laid off their waterproofs, when they next met the Colonel.