The United States National Bureau of Standards has lent the Weizmann Institute of Science at Rehovoth a mercury isotope lamp which emits extremely sharp spectral lines and which the Institute will use as a standard in designing an infrared spectrometer, it was announced here yesterday. The lamp will be the first such in the Middle East.
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The Archive of the Jewish Telegraphic Agency includes articles published from 1923 to 2008. Archive stories reflect the journalistic standards and practices of the time they were published.
