Linnebach lantern
Encyclopedia
A Linnebach lantern or Linnebach projector is a lens
less projection system used in theatrical productions. It was developed by (and named after) Adolf Linnebach in the early 20th century. Since the middle of the 20th century, it has largely been replaced by other projection technologies.
The lantern
consists of a long case that is painted black on the inside. The case contains a high-powered lamp. One side of the case is a transparent slide with the image that is to be projected. Projection is often done from behind onto a translucent material. A system of lenses can optionally be used to prevent distortion of the projected image.
Lens (optics)
A lens is an optical device with perfect or approximate axial symmetry which transmits and refracts light, converging or diverging the beam. A simple lens consists of a single optical element...
less projection system used in theatrical productions. It was developed by (and named after) Adolf Linnebach in the early 20th century. Since the middle of the 20th century, it has largely been replaced by other projection technologies.
The lantern
Lantern
A lantern is a portable lighting device or mounted light fixture used to illuminate broad areas. Lanterns may also be used for signaling, as 'torches', or as general light sources outdoors . Low light level varieties are used for decoration. The term "lantern" is also used more generically to...
consists of a long case that is painted black on the inside. The case contains a high-powered lamp. One side of the case is a transparent slide with the image that is to be projected. Projection is often done from behind onto a translucent material. A system of lenses can optionally be used to prevent distortion of the projected image.