Joe Reid wrote:
> I think that Toledo scales measure true mass. They balance the
> weight of a
> known mass against the weight of the mass to be measured by varying the
> effective length of the lever arm supporting the known mass.
I'm with you now.
Those scales in a doctor's office, with the sliding masses, would be
examples of Toledo scales, no doubt.
In principle, they are of course simply asymmetrical variants (with variable
asymmetry) of laboratory balance-beam scales.
Bill Potts, CMS
Roseville, CA
http://metric1.org [SI Navigator]
