CHAPTER XXII.—INGENIOUS ADAPTATIONS FOR THE LANTERN.
By W. J. Gordon.
I.—Chromatropes and Paper Fireworks.
From Mr. Chasemore’s article on revolving slides for the magic-lantern we borrow the following diagram, as showing very clearly the principle which such slides are constructed ([Fig. 1]).
Fig. 1.
Fig. 2.
Round the slide runs a wooden border half an inch wide and three-eighths of an inch thick. The right-hand part of the slide is wood, the left glass, and the moving part showing towards us is also of glass, and fits into a circular wooden ring that is kept in position as it turns by the two tiny buttons on each side of it. One of these buttons works on the frame, the other is fastened to a piece of wood glued on to the wooden part of the slide. Farther to the right is a small silk reel, into which a handle is fixed, and an endless band from the reel round the circle in the buttons completes the machinery. All this is simple enough, and as it has already been described need not be gone into in detail.