On 15/01/2019 17:07, Tim+ wrote:
dennis@home wrote:
On 15/01/2019 10:46, fred wrote:
Mercury has split and vigourous shaking is not effective. Any other solutions ?


When mine did that I heated it up until most the mercury went into the
expansion bulb.
Then it cooled with the mercury unbroken.

You have to be sure that none of the liquid passes the mercury.



What liquid?


The liquid (eg alcohol) in the bulb that pushes the mercury round the
glass into the vacuum as the temperature rises. The mercury is just an
indicator.


--
Robin
reply-to address is (intended to be) valid