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ID#:9489
Description:This historical photograph was provided by the Center for Disease Control's (CDC), National Institute for Occupational Safety and Health (NIOSH). Reprinted from the May, 1951, ”Industrial Hygiene Newsletter”. The image depicted a public health worker using an inexpensive airflow measuring device called a velometer. The meter had been fitted with a probe that allowed samples to be taken in isolated spaces such as the one shown in this image, from behind the grate (see PHIL 9490). . The device measured concentrations of pollutants in the air.
The NIOSH Historic Photo Collection began as the “picture file” of the Industrial Hygiene Division of the U.S. Public Health Service (USPHS), c. 1930-1960. It is a unique collection of mid-20th Century images of American workers and workplaces and documents occupational safety and health research of that era. The collection consists of approximately 1,000 original photographs and schematic drawings.
High Resolution: Click here for hi-resolution image (4.99 MB)
Content Providers(s):CDC/ Barbara Jenkins, NIOSH
Creation Date:1951
Photo Credit:Unknown
Links:United States Environmental Protection Agency (EPA)
CDC – Nat. Institute of Occupational Safety and Health (NIOSH) – About NIOSH
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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