He stared, bent closer, climbed up on a chair close to the screen!
After two minutes of close scrutiny, he jumped to the floor, and raced to find Grover.
“Just by chance, in taking the micro-lens pictures,” he gasped out, “Tip got in some of the test-tubes. Is that what you saw?”
Grover, smiling, agreed. “What did it tell you?”
“I arranged those racks yesterday. I have got a good memory.”
“I knew both those facts,” Grover admitted, “and I, too, helped in revising our arrangement of the racks. Go on!”
“The tubes that held the culture of the spinal disease germs—so dangerous that they had been delivered, personally, by the medical center bacteriologist, had blue labels!”
“You are ‘warm’ as the hide-and-seek game puts it.”
“I saw Doctor Ryder take them up, in his surgeon’s clothes to prevent infection.”
“So did I.” Grover acknowledged the fact.