Airplane photography | Always wondered in how far Paul Klee's art was inspired by early air photography. Something to research some day...
Hamburg, July 1943. "Some 3,000 aircraft took part in the raids, which left 42,600 dead and 37,000 wounded. It is estimated that a further 1,000,000 civilians fled the city. In total, 9,000 tons of bombs were dropped."
55 Days at Peking: The Siege of the Peking Legation Quarter | "Not Yet Published"
Athanasius Kircher, Musurgia Universalis, 1650. From the section on his extensive theory on acoustics entitled 'Magia Phonocamptica'