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Show A Standard Measure. After being ten years In tho making mak-ing thcro has Just been deposited In tho government standard weights and measures strong room n now standard yard measure. It Is mado ot 90 parts of platinum and ten of Iridium, which when combined aro not upset by either heat or cold. After tho elaborate elabor-ate marking It was submitted to a number of tests, coming through nil with high honors. Uvery year of tho next ten years It will bo examined, and If It varies by tho millionth part of an Inch It will bo consigned to tho rubbish heap, othcrwlso It will bo como a standard. London Ngwb. |