niepce's process

1 definition found

niepce's process - Collaborative International Dictionary of English v.0.48 :

  Niepce's process \Niep"ce's proc"ess\ (Photog.)
     A process, now no longer used, invented by J. N. Niepce, a
     French chemist, in 1829. It depends upon the action of light
     in rendering a thin layer of bitumen, with which the plate is
     coated, insoluble. [Obsolescent]
     [Webster 1913 Suppl.]