528 APPENDIX. Fig. 185. … Paper shade : A, completed shade, which consists of a, the shield ; 1 5, the band. The dotted line Cis an alternate shape; B , band enlarged, showing oblique slit. 53. Protective Glasses. Various patterns of glasses are made for th< ■’pose of protecting "e glasses are either the eyes from wind,…
Eye—Diseases · Color blindness · Eye Diseases · Color Vision Defects
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