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Home Other Feature Post

Beautiful Astro Magic Lantern Slides from the XIXth century

Before digital or overhead projectors were invented, for hundreds of years people enjoyed projecting large scale images on their walls using a fantastic invention called the magic lantern.

by Tibi Puiu
January 4, 2016
in Feature Post, Space
A A

Before digital or overhead projectors were invented, for hundreds of years people enjoyed projecting large scale images on their walls using a fantastic invention called the magic lantern. Rudimentary, but effective, the magic lantern used a concave mirror positioned in the back of a light source (usually a candle) that directed the light through a rectangular sheet. This sheet or the “lantern slide” was a painted glass or photographic image.

The Lantern Magica by Paul Sandby, circa 1760. (Image public domain.)
The Lantern Magica by Paul Sandby, circa 1760. (Image public domain.)

Giovanni Fontana, a Venetian engineer, is credited with inventing the first magic lantern some time in the XVth century. Some say that the first image he projected on the device was a demon. Since then, however, all sorts of images were projected. For instance, magic lanterns became very popular among astronomers who would use the projectors to magnify illustrations and star maps. Here are just a few such amazing slides, all from the XIXth century and in The Royal Institution’s (UK) collection.

solar image
The size of the sun as seen from different planets from the solar system. Credit: The Royal Institution
A Ptolemaic system.
A Ptolemaic system.
Moon closeup. Credit: The Royal Institution
Moon closeup. Credit: The Royal Institution
Comets and meteorites
Comets and meteorites. Credit: The Royal Institution
Ursa Major
Ursa Major. Image: The Royal Institutions
Relative size of the planets. Credit: The Royal Institution
Relative size of the planets. Credit: The Royal Institution
Space geometry. Credit: The Royal Institution
Space geometry. Credit: The Royal Institution

Some more advanced magic lanterns featured moving parts which allowed moving slides to be operated either  by means of a lever or other mechanism. Below is a version that exhibits the Earth’s annual motion round the sun, showing the parallelism of its axis, thereby producing the seasons.

astropicture

Another moving magic lantern features the moon’s phases during its revolution.

moon phases

Tags: magic lantern

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