Shadowgraph.
Description:
Patent for "improvements in shadowgraphs" (lines 12-13) "to afford entertainment and amusement" (lines 22-23) by means of using "a holder for pieces of which a design may be composed" (lines 31-32), including one illustration.
Date:
April 16, 1918
Creator:
Barler, Eugene Miles
Partner:
UNT Libraries Government Documents Department