a boxlike object having a uniformly lighted surface, as of ground glass, against which films or transparencies can be held for examination.
[ 1840-50 ]
a boxlike object having a uniformly lighted surface, as of ground glass, against which films or transparencies can be held for examination.
[ 1840-50 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012