half frightened, half elated, looked into hers.

"I will show you," he cried. He took her hand and led her to The Machine
before which Suzanna still sat.

The wave of color still persisted on the glass. "See," he said,
"registered color, for which I have worked and worked, died a thousand
deaths of despair, and been resurrected to hope. This afternoon the
color seemed promised, and so in fear and trembling I placed Suzanna
before the machine."

"Oh, my dear, my dear, after all these years!" She lifted her face and
kissed him solemnly.

And then Peter repeated his question, to which before there had been no
answer.

"What does the color mean, daddy?" he asked.

"Two colors recording in that manner means great versatility; purple
means the artist, probably a writer."

Peter looked his bewilderment. His mother, smiling a little, reduced the
explanation to simpler form. Even then Peter was befogged.

The inventor went to a remote corner and brought forth a large book
containing many pages. This he placed upon a small table, and the
children and their mother crowded about him, eager to see and to hear.

Mr. Procter lit a side lamp so the light fell upon the book, then he