Abstract
A safety goggle for industrial use has been designed which has the advantage over glass protective goggles in that it cannot be broken by flying particles, and vision is not interfered with by steam, perspiration or grease. It consists of two aluminum shields fitted into soft rubber with an adjustable band of the same material to hold them in place. In the center of the shield is a horizontal opening 1 mm. in width and 40 mm. long. A vertical opening of the same width and 10 mm. long bisects the horizontal opening 10 mm. from the nasal end. In addition a 20 mm. long opening is added at an axis 15 degrees off horizontal for vision in the lower field. As its crude prototype was originated by Eskimos to prevent snow blindness, the arrangement of the slots in this goggle by admitting a minimum of light reduces glare, and
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