| 摘要 |
<p>The converter comprises a tape. One of two currencies is printed on each of the two sides of the tape. The tape is wound on a reel and stored in a hollow box (1). The converter comprises a hollow box (1) containing a tape (11) wound around itself. This is connected to a spring (6), which serves to urge the tape in the coiled up position. The tape carries two series of numbers, one on each surface, corresponding to the two currencies requiring conversion. The unwound section of the tape passes out through an aperture (13) in the box and between two transparent jaws which are able to lock the tape in a chosen position. A finger is provided to lock or unlock the jaws. If the rate of currency conversion is variable, two separate tapes are provided within the casing.</p> |
