On 01/13/2016 12:52 PM, Oren wrote:
On Wed, 13 Jan 2016 12:08:53 -0600, philo wrote:

Worse still, looked outside at the thermometer and I see it's running
low on mercury...almost empty and will have to go refill it

...stick a lit match under the reservoir for a moment. The mercury
will rise but don't let it go to far or it will pop the top off the
glass.




Did that once when I was a kid just to see what would happen