“What kind of a camera is that?” he asked.
“A Reflex.” Professor Crandall stooped, opened the case, and took the camera out. “It’s a very good instrument for certain types of work. Its shutter speeds are from one-thirtieth of a second to one five-hundredth…”
John sat, entranced, while the Professor explained his camera. Finally his glance again strayed out the window, and he leaped to his feet to look at the clock. It was half-past seven and daylight. The two hours and a half had fled in what seemed scarcely that many minutes.
“We have to be on our way,” John said hastily. “I’ll get the truck.”
Professor Crandall half rose in his chair.
“Oh, I say, are you going in a truck?”
“It’s the only way I have.”
“If you aren’t taking too many men with you, hadn’t we best go in my car? I assur
