lenses began gradually to take shape on their cards I looked on with growing excitement, for something in my colleague's manner told me that we were on the verge of a discovery.
At length the two ovals of glass lay on their respective cards, complete save for one or two small gaps; and the little heap that remained consisted of fragments so minute as to render further reconstruction impossible. Then Thorndyke leaned back and laughed softly.
"This is certainly an unlooked-for result," said he.
"What is?" I asked.
"Don't you see, my dear fellow? There's too much glass. We have almost completely built up the broken lenses, and the fragments that are left over are considerably more than are required to fill up the gaps."
I looked at the little heap of small fragments and saw at once that it was as he had said. There was a surplus of small pieces.
"This is very extraordinary," I said. "What do you think can be the explanation?"
"The fragments will probably tell us," he replied, "if we ask them intelligently."
He lifted the paper and the two cards carefully onto the ground, and, opening the case, took out the little microscope, to which he fitted the lowest-power objective and eye-piece—having a combined
