90's Harold Edgerton USA製 ,Harold Edgerton | Inventor, Scientist, Innovator | Britannica,Page 4: Harold Eugene Edgerton Paintings & Artwork for Sale | Harold Eugene Edgerton Art Value Price Guide,Page 7: Harold Eugene Edgerton Paintings & Artwork for Sale | Harold Eugene Edgerton Art Value Price Guide,Bullet through Apple, 1984 by Harold E Edgerton (1903-1990) Harold E Edgerton | ArtsDot.com