內容簡介
內容簡介 Book Excerpt: all the time he was at work. He had his instruments with him, and he was turnin' down his different kinds of lights, thinkin', of course, that he could see through any kind of coverin' that we put over our machines; but, bless you! he couldn't do nothin', and I could almost hear him swear as he rubbed his eyes after he had been lookin' down for a little while."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 machRead More