"I don't want any more experiments to-day.

We will cover up the instrument and go." When Roland Clewe reached his room, he sat down in the arm-chair to think.

He had made a grand and wonderful success, but it was not upon that that his mind was now fixed.

It was upon the casual and accidental effect of the work of his invention, of which he had never dreamed.
Bryce had made a great mistake in thinking that it was not what Roland Clewe had seen, but what he had expected to see, which had caused him to drop insensible.

It was what he had seen.
When the master-workman had approached the lighted space upon the ground, Clewe stood opposite to him, a little distance from the apparatus.