Hugh Tifft
n.d.
Popular color auto-screens of the early 20th century - from the earliest 1907 Autochorme screen to the later screens of the Finlay and Paget plates.

Photomicrographs
Private collection of Hugh Tifft
© Private collection High Tifft
 
These auto-screens were photographed at 10x magnification.
 
LL/9160