Auction: Sale #2133 - 2133Location: BoltonDate / Time: April 13, 2002 10:00AM
Description:
Powers 6-B Cameragraph Projector, the japanned metal body with arc illuminant, condenser lens, and slide mechanism, ht. 28 in.
Note: This type of projector was used by General Electric in the 1920s in its experiments in mechanical television.
Estimate $300-500