CONTENTS.

The History of the Magic Lantern.
PAGE
The introduction of mineral oil lanterns.—The advance caused by the aid of photography.—The optical system of a modern lantern.—Educational value of the lantern 1-12
The Lime-Light.
Different forms of lime-jets.—Precautions to be observed in their use 12-16
Dissolving Views.
The old method and the new.—The biunial lantern.—The dissolving-tap and its management.—Coincident discs.—‘Effects’—The application of the double lantern to spectrum analysis 17-22
Making Oxygen Gas.
Necessary precautions.—The purifier.—Explanatory diagram.—Practical details.—The retort.—The gas-bag.—Iron bottle for compressed gas.—Pressure-boards.—Lime cylinders 22-33
The Screen or Sheet.
Arrangement adapted to a sitting-room.—Public exhibitions.—Method of hanging a large sheet.—Sheets on frames 33-37
Pictures for the Lantern.
Photographic slides.—Home-made pictures.—Drawing pictures on ground-glass.—The slide-painter’s easel.—Mounting slides 37-43
On the Colouring of Photographic Transparencies.
The process described.—Oil-colours employed.—Apparatus required.—Mixed tints.—How to lay on the colour.—Finishing touches.—Painting in water-colours 43-55
Showing Solid and Opaque Objects on the Lantern
Screen.
Chadburn’s opaque lantern.—The aphengescope.—Showing coins, medals, etc.—The opaque lantern in a law court.—The physioscope 56-61
The Lantern Microscope.
Photographic microscopic slides.—The solar microscope.—A sketch lecture 61-65
Mechanical or Moving Pictures.
Comic slips.’—Beale’s choreutoscope.—The dancing skeleton 66-69
Concluding Remarks.
The management of the lantern in public.—Signals between lecturer and operator 70-75