| 摘要 |
PROBLEM TO BE SOLVED: To provide a mirror which inverts right/left inverse images reflected with a normal mirror to an objective image like a photographic image. SOLUTION: When two mirrors 1 and 2 are made to face each other perpendicularly, one mirror reflects another mirror surface. Thus, images reflected with the mirrors are inverted respectively to reflect the left surface of an object in the right mirror 1 and to reflect the right surface of the object in the left mirror 2. An image free from distortion is seen by arranging the two mirrors perpendicularly to each other.
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