It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Originally posted by lonemaverick
They have multiple copies of it, but only the one in France is the "official" standard.
Originally posted by djohnsto77
That lump of metal will be replaced soon anyway:
A Set Of Perfect Balls, A New Standard For The Kilogram