Wilson's quarter century in photography : a collection of hints on practical photography which form a complete text-book of the art (1887)
Wilson, Edward L. (Edward Livingston), 1838-1903 · New York : E.L. Wilson · leaf 203
is also altered. Suppose the lines A B, A' B\ represented, not trees, but the nearer and farther end of a building, of which B B^ was the eave, the perspective angle would, in the one case, be -4 ^ i>, in the other AB H. The relative distance from the front is affected in the same way, but in Fig.… … and so with AG, B H. An objection may be made by some readers that the height of the trees, A B, A' B', is
Photography
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