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DOI: 10.1063/1.3066723
The Atomic Energy Commission a short while ago issued its second annual cataiogue of Radiation Instruments (available from the Office of Technical Services, U.S. Department of Commerce, $2.00), observing as it did so that a total of eighty‐four U.S. firms are now engaged in the manufacture of one hundred and eighty different types of radiation detection instruments and their components and accessories. This marks an increase of seventeen such firms since 1949, the AEC went on, adding that in this period another seventy‐eight different instrument types have become available. The catalogue itself lists well over five hundred specific items—counters, chambers, dosimeters, film badges, and so on.
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