Courtesans using a telescope to get a view of the racecourse at Takada, on the outskirts of Edo, Courtesans using a telescope to get a view of the racecourse at Takada, on the outskirts of Edo. Image taken from : Ehon kyoka yama mata yama, 'Picture-book of Kyoka: Mountains upon Mountains'. A kyoka anthology illustrated by Hokusai. Three volumes, colour-printed Edo Tokyo , Japan, 1804. Illustrated by Katsushika Hokusai.