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Painted just after Hiroshima and Nagasaki, his Melancholy Atomic and Uranic Idyll, 1945, has a bomber in it as well as the first Yank baseball player to turn up in a Surrealist picture.

Furthermore, he proved that this had no connection with the phenomenon of phosphorescence, as both uranic and uranous salts were active and the latter show no phosphorescence.

We give in the following lines the most interesting parts of the two papers of Mr. Burnett: * * * “The next class of processes are dependent on the sensitiveness to light of the salts of uranic oxide or sesquioxide of uranium, U2O3.”

I have used for the solution of the uranic oxide for this process a variety of acids with very similar results; the sensitiveness of the prepared paper to light varying much, however.

Uranic nitrate 10 parts Cupric nitrate 2 parts Water 100 parts Float for a minute strong, well-sized paper on this solution and let it dry spontaneously in the dark.