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A B C D angle of 45 ascending plane axis cast shadow centre chain-line drawn cone cube curved line diameter Distance of eye draw the ray end of cylinder eye in front FIND THE SHADOW Given the perspective Height of eye horizontal Imagine a vertical Join left of spectator line A B line of contact line to meet lying in vertical meet the ground meet the ground-plane meet the V L obtained perspective representation picture plane picture-plane plane containing plane of section plane of shadow plane to pass PLATE produce the line pyramid rays of light reflected image required shadow Required the shadow right of spectator spectator's left sphere square pyramid sun lies Sun's altitude tangential plane tube upper edges upright edge V L of plane vanishing parallel vanishing point vertical plane passing vertical section planes
Page 161 - GENERAL INSTRUCTIONS. If the rules are not attended to, the paper will be cancelled. You may take the Elementary, or the Advanced, or the Honours paper, but you must confine yourself to one of them.
Page 169 - INSTRUCTIONS. If the rules are not attended to, the paper will be cancelled. Put the number of the question before your answer. You are to confine your answers strictly to the questions proposed. Your name is not given to the Examiner, and you are forbidden to write to him about your answers.
Page 164 - ... to be worked to a scale of half an inch to the foot, the distance of the spectator from the picture being in each case twelve feet, and the horizon five feet above the ground plane.