------=_NextPart_000_0030_01C54054.8D3C58A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable It's highly unusual for two inspectors to agree a bell diameter within 1/8,= and discrepancies can be as much as several inches. If ever the NBR gets o= ff the ground, diameters - not weights - will be the most difficult data el= ement to establish (or arbitrate between submissions) with any degree of re= liability It's easier to measure bells when they're up, I find. Not that I'd ever dream of doing something so potentially dangerous, of cou= rse... David ------=_NextPart_000_0030_01C54054.8D3C58A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable