Image for 19th Century flash

19th Century flash

Duration: 01:37

Chemistry expert Andrea Sella demonstrates how an early camera flash would have worked.

Available since: Thu 7 Feb 2013

This clip is from

The Genius of Invention Original Series, Visual Image

4/4 The story of the inventors who discovered how to reproduce still and moving images.

First broadcast: 14 Feb 2013

Image for Visual Image Not currently available on BBC iPlayer

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