Peasant musicians, Czechoslovakia Finish:none Colours observed within layers of

Colours observed within layers of mica (figures a-f) with concentric circles of sixteen colours based upon Isaac Newton's observation of colours produced at the contact of two telescope object-glasses (figure g)

3rd September 1980

some of his advocates claim

The new nation of Iraq came into being in 1921

Zoological studies of the Florida softshell turtle Apalone ferox

Peasant musicians, Czechoslovakia Finish:none Colours observed within layers ofPeasant musicians, Czechoslovakia, 1922. Illustration from Peoples of All Nations, Their Life Today and the Story of Their Past, volume II, British Empire to Dahomey, edited by J A Hammerton, (Educational Book Co, London, 1922).