Physical description

Black weight belt with two stone weights with stainless steel

Inscriptions & markings

Survivair U.S. Divers/U/Permissable supplied-air respirator/type C/pressure demand class United States Department of Labor/ MSHA U.S Department of Health Education NIOBH/ Mind Safety and Health Administration National Institute of Occupational Health and Safety Approval No. TC-19C-68/ Issued to Survivairs division. U.S. ... co Santa Anna./ MSHA NISOH approval issued 10/ Survivair's division U.S. Divers co./ February 1974

References