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THE SPATIAL HARMONY OF TOUCH AND SIGHT. 493 diagram) was supported horizontally and face downward over my head ; and below this, and before the eyes, a small mirror (C) was fixed face upward but slanting at an angle of about 45. The mirror overhead thus imaged the person as seen from above, and this image was in turn reflected in
i the mirror C, so that the observer saw his own figure projected in front of him, approximately in the position DE. A light portable frame, consisting mainly of two upright supports, held the mirrors in fixed relation to each other, 1 1 The following details axe given, in case any one is interested in the measurements of the apparatus: mirror AB, 20 in. x 24 in., longer
