scotographyn.

1842 Mirror 13 Aug. 103/2 When a black plate, either of horn or agate, is placed below a polished surface of silver, at the distance of one-twentieth of an inch, and remains there for ten minutes, the latter receives an impression of figures &c. engraved on the former, which may be rendered visible by exposing the silver plate to vapour... Sir W. Hamilton called it scotography; but Sir J. Herschell asked, might it not be thermography?

1854 J. Sproule Irish Industr. Exhib. 1853 232 The art of copying engravings, manuscripts, old documents, &c., by simple contact... To this process, for which we are indebted to M. Moser, the name of scotography has been given.

1896 Sir A. Wills in Times 10 Mar. 12/2 They [sc. X rays] have very little in common with light. Would not ‘scotography’ be a better name for their work than ‘photography’?

1898 Denver Med. Times June 508 Scotography on the battle-field...X-ray outfits for practical work in locating bullets, etc., in the bodies of the wounded.

1922 W. A. N. Dorland Amer. Illustr. Med. Dict. (ed. 11) 929/1 Scotography, same as skiagraphy.

1896 Westm. Gaz. 18 Mar. 1/3 A correspondent who was present on Friday sends us some notes of that remarkable ‘skotographic’ séance.

1897 Denver Med. Times Dec. 232 The illustrations include a number of photomicrographic and scotographic plates.

1909 Jrnl. Med. Soc. New Jersey 6 268/1 Many of the things supposed to cause cancer possess certain scotographic power—the power to affect a photographic plate in the dark.