Krypton-86-lamp_NIST_49.jpg (300 × 450 pixels, file size: 21 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:22, 22 July 2014 | 300 × 450 (21 KB) | Pemu | {{Information |Description ={{en|1=Krypton-86 lamp used for definition of Metre between 1960 and 1983.}} {{de|1=Krypton-86-Lampe für die Meter-Definition zwischen 1960 und 1983.}} |Source =http://museum.nist.gov/object.asp |Author =... |
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