Surgical Mask Made From Transparent Material (Jun, 1938)

Surgical Mask Made From Transparent Material
INVENTED by a well known doctor, a new type of surgical mask is constructed from transparent material and, due to its flexible metal frame, can be instantly adjusted to fit the contour of the face. By permitting lip reading, the transparent mask enables doctors and nurses to converse more conveniently during an operation. An opening in the bottom of the mask permits air to circulate.

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