"Good evening, Professor! I have come to ask you whether you have yet
made any experiments on the contents of the shell and the two cylinders
that were given to you for examination?"
"I must first ask for your authority to put such an inquiry to me on a
confidential subject," replied the Professor stiffly.
"On the authority given me by the power to enforce an answer, sir,"
returned the Terrorist quietly. "I know that Professor Volnow will not
lie to me, even at the order of the Tsar, and when I tell you that your
refusal to reply will cost the lives of every one here, and possibly
involve the destruction of Petersburg itself, I feel sure that, as a
mere matter of humanity, you will comply with my request."
"Sir, the orders of my master are absolute secrecy on this subject, and
I will obey them to the death. I have analysed the contents of one of
the cylinders, but what they are I will tell to no one save by the
direct command of his Majesty. That is all I have done."
"Then in that case, Professor, I must ask you to surrender yourself
prisoner of war, and to come on board this vessel at once."
As Mazanoff said this the Ariel dropped to within ten feet of the
ground, and a rope-ladder fell over the side.
"Come, Professor, there is no time to be lost. I shall give the order to
fire in one minute from now."
He took out his watch, and began to count the seconds. Ten, twenty,
thirty passed and the Professor stood irresolute. Two of the Ariel's
guns pointed at the gables of the Arsenal and two swept the crowded
space in front.
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