Not to mention sphygmomanometers (look it up!), due to which we try to keep our blood pressure as close to 120/80 mm Hg as we can.


On Jul 13, 2011, at 1:57 PM, Fred Harwood <[log in to unmask]> wrote:

>  used in barometers, from where the present
> weather pressure systems got their nomenclature, such as 29.8 inches of Hg.
>