| 摘要 |
<p>A card holder (1) has a magnifying means (4) mounted thereto. The magnifying means (4) includes a Fresnel magnifying sheet (20). The magnifying means (4) is mounted on the card holder (1) in such a manner that a card (24) or other sheet of writing material held in the card holder (1) can be marked whilst the card (24) or the like is being viewed through the said magnifying means (4).</p> |
