Multi-purpose ruler
The utility model provides a multi-purpose ruler. A thermometer is disposed in an opening on the ruler; a rectangular cavity is formed in the ruler; a pencil is disposed in the cavity; and the cavity is corked by an eraser. The multi-purpose ruler has the following advantages: a temperature can be m...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a multi-purpose ruler. A thermometer is disposed in an opening on the ruler; a rectangular cavity is formed in the ruler; a pencil is disposed in the cavity; and the cavity is corked by an eraser. The multi-purpose ruler has the following advantages: a temperature can be measured by disposing the thermometer on the ruler and the pencil can be carried for convenient use. |
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