Dissolve effects

Biunial lantern, with one projector mounted above anotherDissolve effects are created by using two or more fixed slides, set in either two lanterns or a single lantern which has two projectors mounted in it (like the picture here). The light is adjusted slowly that the first slide to be lit is gradually faded out, while the second slide is made brighter. You can use this method to turn day to night, summer to winter, or even set a town on fire, as in the slides shown below.

 

Dissolving image of town fire

Dissolving view of church in summer, winter and at night

All of the slides you have seen so far were hand-painted on the glass. However, by the end of the nineteenth century, it was very common to find slides with photographic images. There are some examples on the next page.


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