Sorry, no sample image is available for this slide type
John Barnes, ‘Classification of magic lantern slides for cataloguing and documentation’ in Magic images (1990), 84
“For demonstrating various chemical reactions.
Two square pieces of glass, separated by a strip of India rubber, are mounted in a wood frame to form a narrow glass tank or cell, to which different solutions can be added. The reactions which take place can then be observed on the screen. For example, the tank can be partly filled with water and a solution of litmus then added so that the liquid turns to a bluish-purple tint. A dilute acid can then be added to turn it red.
Since the liquids have to be poured in to the vessel from the top, the slide can be used only in lanterns with an open-type slide stage.
Introduced about 1880.”
Record created by Richard Crangle. Last updated 20 October 2011
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