oxygen mask

Men sitting in a jail cell. As police run past they crowd around the…

Universal Newspaper Newsreel title card reads, "Mussolini Reviews Mass…

Tilt shot of heart monitor, hospitalized eldery with oxygen mask at…

Close up on nurse, prepares an intravenous injection, medical apparatus…

Footage shows mostly women being trained to become United Airlines…

Doctor holds oxygen mask over patients mouth. Aides hold patient’s jaw…

A secretary wears an oxygen mask connected to a gauge. Scientists…