On 1/17/2014 10:19 AM, Larry Jaques wrote:
...I wonder if it's a
weight v. volume mismatch I'm experiencing. ...

Yeah, me too. It's our conditioning with water, I think. With water,
ounces weight and ounces volume are the same. So, I see "9 ounces"
(weight), I tend to visualize that as 9 ounces volume. 99.9% of time
when it's water or a close cousin, it works. With mercury, not so much G.

Bob