Sir H. Davy, Dr. Wollaston, and Dr. Young. 159 



ANNOUNCE THE DISCOVERY OP THE RELATION BETWEEN THE DIFFERENT 



Kinds of Egyptian Letters or Characters — the basis on which the 

 system of M. Champollion was afterwards erected. 



Letter of Canova, and two Memoirs of Visconti, translated from the 

 French and Italian, 8vo. London, 1816. A Volume of 200 pages, which 

 was completed in twelve days ; together with remarks on an error of De- 

 lamb re, which was afterwards confuted more at large by Mr. Cadell. 



It was in 1816, that Dr. Young complied with an application made to 

 him by Mr. M'Vey Napier, to write some articles for a Supplement to the 

 Encyclopaedia Britannica, conducted under the superintendence of that 

 gentleman, and completed in 1825. 



The articles which he furnished were : Atwood — Addendum to Annuities 

 — Bathing — G. Beccaria — Bloch — Borda — Boulton — Bramah — Bridge — 

 Brisson — Bryant — Camus — Notes on Carpentry — Cavallo — Cavendish — 

 Chromatics — Cohesion — Condamine — Coulamb — Dollond — Dolomieu — 

 Duhamel — Egypt — Fermat — Fluents — F. Fontana — G. Fontana — J. R. 

 Forster — J. G. A. Forster— Fourcroy — Frisi — Guyton de Morveau — Hercu- 

 laneum — Hydraulics — Ingenhousz — Lagrange — LaLande — Lambert — Lan- 

 guages — Lemmonier — Luc — Malus — Maskely ne — Mason — Mechain — 

 Messier — Orme — Pallas — Pauw — Porson — Preservers of Life — Road- 

 making — Robison — Rush — Steam-Engine — Tennant — Thomson Count 

 Rumford — Tides — Tooke — Wakefield — Watson — Weights and Measures 

 — Polarization by Arago, translated, with Notes. In all, about sixty-three 

 articles, each marked with two different letters. (These were two consecutive 

 letters of the sentence ' ' Fortunam ex aliis ;" the u in fortunam being 

 sometimes printed as a v.) 



Remarks on some Theorems relating to the Pendulum. Phil. Trans. 

 1818, p. 95, in a Letter to Captain Kater. 



Translation of some Greek Inscriptions. Light's Travels. 4to. London, 

 1818. 



Specimen of a Greek Manuscript in the possession of the Earl of Mount- 

 norris, 1819. Archaeologia, Vol. xix. This may possibly have been a 

 pawnbroker's account : another piece nearly resembling it was sent by Mr. 

 Salt to the British Museum. 



Remarks on the Probabilities of Error in Physical Experiments, and on 

 the Density of the Earth, considered especially with regard to the reduction 

 of Experiments on the Pendulum, Phil. Trans. 1819, p. 70; computing the 

 density of the earth, upon the supposition of the compression of a homo- 

 geneous elastic substance only. 



Dr. Young edited the Nautical Almanac, from the year 1819, for the re- 

 mainder of his life. 



Remarks on Laplace's latest Computation of the Density and Figure of 

 the Earth. Quarterly Journal, April, 1820; determining the Ellipticity, on 

 the supposition of a compressed elastic substance. 



Dr. Young furnished quarterly, for many years, to the Journal of Science 



