CPC Subgroup
G03B 25/02 with interposed lenticular or line screen
Full Title
Viewers, other than projection viewers, giving motion-picture effects by persistence of vision, e.g. zoetrope > with interposed lenticular or line screen
G03B 25/02 Viewers, other than projection viewers, giving motion-picture effects by persistence of vision, e.g. zoetrope > with interposed lenticular or line screen