Harren pointed back to the table, and they returned to the photograph, the Tracer bending over it and examining it through the glass.
"All I see," he said, still studying the photograph, "is a corner of a curtain and a window on which certain figures seem to have been cut. . . . Look, Captain Harren, can you see them?"
"I see some marks—some squares."
"You can't see anything written on that pane—as though cut by a diamond?"
"Nothing distinct."
"But you see her?"
"Perfectly."
"In minute detail?"
"Yes."
The Tracer thought a moment: "Does she wear a ring?"