Burn, Robert Scott · London : Ingram, Cooke, and Co. · leaf 63
. 7), and a wider range of objects will be visible; andfrom a still greater height, such as the top of a hill or of a tower, the hori-zon still maintains its level with the spectator, and the field of vision iscorrespondingly extended (fig. 8). The space comprised between the horizontal line and… … fig. 7. fig. 8. spectators position, and consequently the horizontal line, may be elevated,as in fig. 9, or of lower altitude, as in fig. 10.
Drawing · Wood-engraving
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