Word: first-rank
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Dates: during 1923-1923
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Illinois, taught physics at Chicago for several years, and was called to Washington in 1901, where he built up perhaps the lowest-paid corps of first-rank scientists ever assembled by any government. The business of the Bureau is to compare and test the standards of weight, length, power, heat, resistance, etc. used in American laboratories, commerce, and universities, with the official standards of the government. Here are kept under glass at even temperature the platinum-iridium bar one meter long and the kilogram of the same material on which our weights and measures are based...