| 摘要 |
A periscope, particularly a toy periscope formed of an elongated housing, having at one end portion an inlet opening in one side surface, and at the opposite, second end portion an outlet opening, and two deflection mirrors arranged in the interior of the housing at the two end portions thereof. To facilitate manufacture, the housing is formed of a one piece blow molded plastic material. Mirror holding elements are located in the inlet and outlet openings.
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