| 摘要 |
<p>A slide-viewer pen (1) comprises a writing element (2) in the casing (3) whereof is associated a box-like body (5) defining in its inside a cylindrical seat (11) rotatably housing a translucent material drum (20) the side surface of which is engaged a filmstrip (22). Through the side surface of the cylindrical seat (11) a viewer window (12) is formed aligned with the optical axis of an objective (7) carried by the body (5) itself. <IMAGE></p> |
