The Great Stone of Sardis
Clewe laughed. "I see," said he. "I suppose you turned on the photo-hose."
"That's just what I did," said the old man. "Every night while you were away I had the lens-room filled with the revolving-light squirts, and when these were turned on I knew there was no gettin' any kind of rays through them. A feller may look through a roof and a wall, but he can't look through light comin' the other way, especially when it's twistin' and curlin' and spittin'."
"That's a capital idea," said Clewe. "I never thought of using the photo-hose in that way. But there are very few people in this world who would know anything about my new lens mach