The two pictures below show how an infrared negative appears when printed through "the infectious development". Lith printing has nothing to do with "lith films" and it is a creative printing technique that only needs a lith developer and a suitable paper. See also other lithprints taken at the Ferrara Buskers festival.

To enjoy this intriguing technique there is only one thing you have to do: buy Tim Rudman's excellent book and start to play! (For an update on lith papers and developers see his articles on www.alternativephotography.com)