DescriptionA black "Self-contained oxygen-generating breathing apparatus." There is a canister compartment covered in black cloth with a metal attachment at the top. The compartment is attached to a larger cloth piece with two arm straps on the back. There is a label on the front of the canister compartment that includes warnings. The metal attachment has a label that reads "M.S.A. Chemox Breathing Apparatus, 326."TypeImageCreatorMine Safety Appliances Co.GenrephotographsDateCirca 1955SubjectBreathing apparatusRespiratorsRespirators (Protective equipment)Respiratory protective devicesMine rescue breathing apparatusFire departmentsContributing InstitutionCascade County Historical SocietyGeographic CoverageGreat Falls, MontanaCascade County, MontanaDigital CollectionGreat Falls Fire Department Digital Formatimage/jpgPhysical Dimensions6.75 in x 17 in x 12 inDigitization SpecificationPhotographed with a Canon EOS Rebel T6 in RAW format with studio flash lighting - captured at 300 PPI - with images averaging 4000 to 5000 pixels on the long side. Images were cropped and adjusted for exposure in Adobe Photoshop CC and saved as TIFF files. Date Digitized2022Contact UsFor additional information about this collection, to share what you know about this item, or to request a high-resolution image, email us at collections@greatfallshistorymuseum.org. Please include the ID number or a link to this record in your note to us.Local IdentifierCCHS 146.35