| 摘要 |
An electrical timer having scales for setting switching times and time-of-day. A window exposes only a portion of one of the scales thereby helping a user to set the time-of-day of the timer. In one aspect, the window is located in a cover that hides all but a portion of the time-of-day scale. According to a further aspect, the switching-times scale and the time-of-day scale are located on a dial rotatably mounted on a timer housing that includes a suitable electrical plug, an electrical receptacle, and an electrical switch operable with the scales.
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