| 摘要 |
<p>The indicator device's hinged panels (2) are so arranged that any number of magazines can be displayed with a corresponding number of panels. There is a common holder (4). The magazine (1) which is displayed is connected to a control and all the magazines on call are separated from the picture control, but connected to the magazine control. Three or more magazines may be combined into a unit with a drive and a control. The magazines can have a common axis.</p> |
