A few examples of appraisal values for
GLASS SLIDE PROJECTOR

• ERNST PLANK GERMAN MAGIC
  ERNST PLANK GERMAN MAGIC LANTERNBrass and metal. Oil burner and cast metal chimney. An antique magic lantern glass slide projector, Gloria model, including five circular lantern images on a single metal framed glass slide. Manufacturer metal crests EP and GLORIA. Produced by the Ernst Plank Company of Nuremberg, Germany, which began making magic lanterns in the 1860s. Presented on four brass lions' paws. Issued: c. 1895 Dimensions: 16.5"H x 10"L x 4"W Manufacturer: Ernst Plank Company Country of Origin: Germany Condition: Patina and wear consistent with age
• LARGE JOHN KNOWLTON ELECTRIC
  LARGE JOHN KNOWLTON ELECTRIC MAGIC LANTERN PROJECTOR, WESTBROOK, ME Glass Slide Projector with bronze painted tin, single socket, cloth bellows, internal lens and brass cased lens, with a maker's plate giving the address. Mounted on oak base. 15" x 24" x 11 1/2". Very clean.
• Glass slide projector and bulb:
  Glass slide projector and bulb: ''Balopticon'' by Bausch & Lomb Optical Co. pat. Feb. 21 1911 no. 45976; along with a packaged Westinghouse/Mazda 500W T-20 projection bulb heavy wear to projector and packaging surface loss unknown functional status 11'' h.