After many days and nights, I have found the simple means to render the gas innocuous except in the direction to which we direct its flow.

I have written out the formula, in the minutest particulars and in the cipher which you and I alone understand.

In the same way we two share the secret of this safe." He handed Antonino a peculiar key and he went to unlock the coffer which had aroused Madame Clemenceau's curiosity.
"Lock it up with the other papers," concluded the inventor.

"I appoint you its keeper while I live--my heir and the carrier out of the work after my decease, should I die before having proved what I consign there.

What matters it now if my material form disappears when my spirit lives on in thee! Well," he said, as Antonino returned, after closing and fastening the chest, "do you need any farther proof of the confidence I have in you ?" Antonino grasped his hand and wrung it fondly When both had recovered calmness, they went on speaking of their work, which might be considered past the stage when the projector is racked by misgivings.