Gene Mechtly wrote in USMA 14207
>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.
Nonsense Gene. Electronic scale measure weight, although they may be
calibrated for the local acceleration due to gravity so that they read out
mass for their particular location.
Joe
Joseph B. Reid
17 Glebe Road West
Toronto M5P 1C8 Tel. 416 486-6071
