A ghost in a haunted house is seldom observed with anything like scientific precision. The spectre in the following narrative could not be photographed, attempts being usually made in a light which required prolonged exposure. Efforts to touc... Read more of The Lady In Black at Scary Stories.caInformational Site Network Informational
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The Direction Of Light








Now, in drawing, we must observe another thing. Not only does the light always come from above, but it comes also from the left side. I show in Fig. 132 two squares, one within the other. All the lines are of the same thickness. Can you determine by means of such a drawing what the inner square represents? Is it a block, or raised surface, or is it a depression?





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