19TH, 3, 4, AND, BLACK, CENTURY, CHEMISTRY, ENGLAND, ENGLISH, EXPERIMENT, FREDERICK, HOLLYER, JOHN, KMAR08, LABORATORY, LATE, LENGTH, MEN, NOBEL, PH, PHOTOGRAPHY, PHYSICISTS, PORTRAIT, PRINT, PRIZE, RAYLEIGH, SALT, STAND, STRUTT, VERTICAL, VICTORIAN, WHITE, WILLIAM,