"Me? I done dat? No, sah, Massa Tom. I neber did! No, sah!" Eradicate spoke emphatically.

"Yes you did, Rad. You took that picture of Koku over my photo telephone, and I want you to show me exactly what you did--what wires and switches you touched and changed, and all that."

"Yo--yo' done say I tuck dat pishure, Massa Tom?"

"You sure did, Rad."

"Well--well, good land o' massy! An' I done dat!"

Eradicate stared in wonder at the image of the giant on the plate, and shook his head doubtingly.

"I--I didn't know I could do it. I never knowed I had it in me!" he murmured.

Tom and Ned laughed long and loud, and then the young inventor said:

"Now look here, Rad. You've done me a mighty big service, though you didn't know it, and I want to thank you. I'm sorry about your arm, and I'll have the doctor look at it. But now I want you to show me all the things you touched when you played that joke on Koku. In some way you did what I haven't been able to do, You took the picture. There's probably just one little thing I've overlooked, and you stumbled on it by accident. Now go ahead and show me."

Eradicate thought for a moment, and then said: