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单词 tellograph
释义

tellographn.

Brit. /ˈtɛləɡrɑːf/, /ˈtɛləɡraf/, U.S. /ˈtɛləɡræf/
Forms:

α. 1700s– tellograph.

β. 1700s–1800s telelograph.

Origin: A variant or alteration of another lexical item; modelled on a Greek lexical item. Etymon: telegraph n.
Etymology: Alteration of telegraph n. after ancient Greek λόγος word (see Logos n.): compare quot. 1797 at main sense.
Now historical.
A semaphore apparatus invented by R. L. Edgeworth (1744–1817), English educational writer and engineer.The device consisted of a small number of posts (typically four) placed side by side, each carrying a large black pointer, readily visible from a distance, which could be turned to different angular positions to represent different digits. Different combinations of digits denoted different words according to a prearranged code.
ΘΚΠ
society > communication > indication > signalling > visual signalling > semaphore > [noun] > apparatus
telegraph1793
tellograph1796
semaphore1815
semaphore signal1826
shutter-telegraph1859
bell-telegrapha1877
1796 T. Pelham Let. 17 Nov. in Hist. MSS Comm.:13th Rep.: App. Pt. VIII: MSS & Corr. Earl of Charlemont (1894) II. 288 in Parl. Papers (C. 7424) XLVI. 1 Your plan for establishing a communication of intelligence between Cork and Dublin and between Dublin and Belfast..by means of a tellograph of your invention.
1797 R. L. Edgeworth in Trans. Royal Irish Acad. 6 Science 126 I shall, with a slight alteration, adopt it [sc. the name telegraph] for the apparatus which I am going to describe. Telegraph is a proper name for a machine which describes at a distance. Telelograph, or contractedly Tellograph, is a proper name for a machine that describes words at a distance.
1867 New Amer. Cycl. XV. 334/1 Mr. R. Lovell Edgeworth at about the same time brought before the public his plan of a telegraph, or as he called it telelograph or tellograph.
1923 R. T. Gunther Early Sci. Oxf. I. 304 The tellograph was the invention of a member of Brasenose College, who had some reason for wanting to learn the result of a race at Newmarket in 1794.
1986 Irish Jrnl.Education 20 31 Edgeworth's favourite scheme, however, was the ‘Tellograph’.
2004 R. Burns Communications ii. 35 Unknown, presumably, to Lord Marsh, Edgeworth in 1767 had invented his tellograph.

Derivatives

telloˈgraphic adj. rare.
ΘΚΠ
society > communication > indication > signalling > [adjective] > of or relating to a telegraph
telegraphic1793
tellographic1797
1797 R. L. Edgeworth in Trans. Royal Irish Acad. 6 Science 138 The means of Tellographic communication which I have invented.
1976 G. Wilson Old Telegraphs viii. 106 At Pelham's wish, Edgeworth submitted a written proposal, presented on 6 October, for tellographic communication.
This entry has been updated (OED Third Edition, September 2015; most recently modified version published online March 2022).
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n.1796
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