| 摘要 |
PROBLEM TO BE SOLVED: To achieve verification at a glance by providing a level rotary table with legs corresponding to the type of a car, a numbered and colored pin for a mark for inserting into innumerable small holes being opened at the lid of a transparent acryl plate, and a road map on the market. SOLUTION: A box-shaped level rotary table 1 with legs according to the type of a car is provided, innumerable small holes are opened at a lid 2 of a transparent acryl plate, a numbered and colored pin 3 for a mark is inserted into the lid 2, and furthermore a road map 4 on the market is provided. The colored pin 3 is used as the mark, and the verification of a current position, the replacement of a page movement, a crossing to be turned, a destination, or the like can be judged quickly, for example, during signal waiting. Also, the level rotary stand 1 can be horizontally and vertically moved on the road map 4 corresponding to the moving direction of a vehicle, thus constantly setting the road map 4 in the moving direction. |
