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1896 Brit. Med. Jrnl. 22 Feb. 510/2 In the British Medical Journal of February 15th there is a description of apparatus for obtaining x ray shadowgrams.

1896 Cycl. Rev. Current Hist. (U.S.) 6 467 Professor John S. M^cKay..has obtained interesting pictures, which he calls ‘magnetographs’, resembling X-ray prints in being silhouettes of objects excluded from light.

1899 T. C. Allbutt et al. Syst. Med. VI. 408 Aneurysms of the thoracic aorta can sometimes be detected earlier by X ray examination.

1907 Westm. Gaz. 21 Sept. 8/3 Another X-ray photograph..of a girl's wrist and hand, showing the thickening of the bone.

1933 R. M. LeComte Man. Urol. i. 38 This is done by filling the urethra with a radiopaque solution and taking an x-ray film.

1938 Amer. Home Jan. 60/4 By examining the painting with the aid of an x-ray machine he is further able to discover very valuable information.

1975 Wall St. Jrnl. 10 Dec. 1 The machine, known as a CAT scanner, produces in minutes an X-ray picture revealing the deadly tumor that had escaped her physicians' notice.

1998 C. Mims When we Die (1999) xi. 235 X-ray examination of mummies gives information about age..and the presence of diseases.

2009 Nature 30 Apr. 1119/2 (heading) The sharpest X-ray image ever obtained of a portion of the Milky Way resolves a seemingly diffuse X-ray emission into discrete sources.