X-rays from one of the first series of X-rays ever produced, by Josef Maria Eder (1855–1944) and Eduard Valenta (1857–1937), both from Austria. The 1896 portfolio contains a total of fifteen images, including, in addition to the skeletal forms of animals and human limbs, X-rays of carved cameos and an assortment of various materials such as metal, wood, glass, and meat. If the images are striking today they must have been doubly so when first published, only a few weeks after Wilhelm Conrad Röntgen made his discovery of X-rays public with his groundbreaking paper “On a New Kind of Ray”. More here: https://publicdomainreview.org/collections/early-experiments-with-x-rays-1896/
And buy some of the images as prints from our shop here: https://publicdomainreview.org/product-att/artist/josef-maria-eder-and-eduard-valenta/