11. About 6 million mercury thermometers were sold last year. 12. This works on the same principle as mercury thermometers . 13. HOw do you clean up a mercury spill ( like, from a mercury thermometer )? 14. These temperatures were measured by spirit thermometer, which is less accurate than a mercury thermometer . 15. Those are usually marked, as not everything should be incinerated, such as a mercury thermometer . 16. My mercury thermometer was just a little silverish ball. 17. In June, New Hampshire became the first state to prohibit the sale of mercury thermometers . 18. The mercury thermometer was invented 25 years earlier by the German pioneer Daniel Gabriel Fahrenheit. 19. He authored legislation to ban mercury thermometers , one of the first such proposals in the country. 20. In general, because alcohol contracts more than mercury in cold weather, mercury thermometers are more accurate.
