Peasant musicians, Czechoslovakia Finish:none Jefferson Airplane were joint headliners

Jefferson Airplane were joint headliners with support from Blonde on Blonde and Terry Reid

Zoological studies of the Florida softshell turtle Apalone ferox

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)

Map of the River Thames from London Bridge to Woolwich

showing details of the brain and nervous system

Peasant musicians, Czechoslovakia Finish:none Jefferson Airplane were joint headlinersPeasant 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).