| 摘要 |
A portable map holder comprises a substantially rigid elongate sleeve member having an open end through which a folded map can be inserted. The sleeve has a top wall made of transparent material to expose a map inserted therein. A transparent cursor is mounted on the sleeve for slidable movement therealong over the transparent top wall. The cursor incorporates a lens for magnifying inscriptions on a map inserted in the sleeve and visible through the top wall.
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