ADVERTISEMENT

approved method of viewing the eclipse indirectly

DawgHammarskjold

Circle of Honor
Gold Member
Feb 5, 2003
55,904
278,438
197
ghows_image-LK-d49afa2d-f64e-4b7b-92cd-a93168fe5b95.jpeg

In this Feb. 18, 1970 photo, a model displays the approved method of viewing the eclipse indirectly. A pinhole through one piece of cardboard is used to focus the sun's image on another piece of cardboard. The method was recommended by the Florida Society for the Prevention of Blindness. (Times-Union archive)
 
ADVERTISEMENT
ADVERTISEMENT