On Sun, 8 Jul 2001, Joseph B. Reid wrote:
> ...
> I meant scales that weigh in both pounds and kilograms should not be
> certified. Those scales are electronic and switchable between pounds and
> kilograms. Those scales measure weight. Mechanical scales like Toledo
> ("Honest weight, no springs") meausre mass.
Nonsense, Joe. All honest scales (calibrated for legal trade),
both mechanical and electronic, measure mass and have measured mass for
many decades whether consumers have been aware or not that both pounds
and kilograms are legally defined as units of mass.
Gene.
