Fig. 48. An X-Ray made in 1896, only a year after the process had been discovered.
Spectre pointing. 1863.
Lunar surface. 1881.
Lunar surface: Sabine, Ritter, Arago craters by morning light. Johann Nepomuk Krieger. 1898.
Imaginary view from the surface of Saturn showing a couple of its rings in the sky.
Swimming Lessons. 1846.
Marvels of the Sky.
Gardell Dano Christensen. Rare Okapi. Magazine cover detail. 1937.
Fig. 86. 1891.
Pío del Río-Hortega (1882-1945). Published 1948.
Men’s open-air swimming bath, King’s Meadow, Reading, U.K. 1918