A portable respirator for polio victims, on display in London. Worn like a blouse, the respirator may be plugged into an electrical outlet or powered by a battery. A special nylon fabric developed for the Mt. Everest expedition is used in the respirator. Sept. 1955. (CSU_ALPHA_1206) CSU Archives/Everett CollectionA portable respirator for polio victims, on display in London. Worn like a blouse, the respirator may be plugged into an electrical outlet or powered by a battery. A special nylon fabric developed for the Mt. Everest expedition is used in the respirator. Sept. 1955. (CSU_ALPHA_1206) CSU Archives/Everett Collection
A portable respirator for polio victims, on display in London. Worn like a blouse, the respirator may be plugged into an electrical outlet or powered by a battery. A special nylon fabric developed for the Mt. Everest expedition is used in the respirator. Sept. 1955. (CSU_ALPHA_1206) CSU Archives/Everett Collection