British and Scientific lanterns
A wide variety of styles exist of which the below is only a small representative sample.
Reproduced by kind permission from the 2003 Christie's of London auction catalogue of the John Finney Collection of Magic Lanterns.

Magic Lantern, British

Magic Lantern, British

Magic Lantern, British

Magic Lantern, British

Magic Lantern, British

Stroud & Rendell's Science Lantern

Stroud & Rendell Science Lantern No. 288

Precision Mirco-Projector No. 1241

Demonstration Projector