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.
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.
