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BIPM 150th Anniversary Standout Poster

The Office of Weights and Measures (OWM) invites you to celebrate World Metrology Day (20 May 2025) marking the sesquicentennial, or 150th anniversary, of the

Deception, Trickery, and Metrology

While exploring a box of early 20th century index cards in the NIST archives, I stumbled upon two that starkly illustrated one of NIST's missions – legal
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