ID#: 9484
This 1949 historical photograph was provided by the Center for Disease Control's (CDC), National Institute for Occupational Safety and Health (NIOSH). This image depicted a copy of an advertisement for the Mine Safety Appliances (MSA) Company’s, Combustible Gas Indicator, a portable instrument used for detecting and measuring the presence of combustible gases in workplace environments. On the left side of the instrument (right side in the product photograph), the bulb of a hydrogen cyanide detector was visible.
High Resolution: Click here for hi-resolution image (4.75 MB)
Content Provider(s): CDC/ Barbara Jenkins, NIOSH
Creation Date: 1949
Photo Credit: Unknown
CDC Organization
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.