ADVERTISEMENT. 



T, 



HE Authors of Original Papers in the present Volume, 

 are Mr. John Gough; Rev. Jonathan Wilson ^ E. O.; Mr. 

 Wilson; Amicus; Mr. G. B. Greenough ; Hon. Robert 

 Clifford ; A. A. ; Mr. William Irvine ; James Thompson, 

 M. D.; Mr. J. Dalton; J. P. ; Sir Henry C. Englefield, 

 Bart. F. R. S. ; Thomas Young, M. D. F. R. S.; Mr. John 

 Antis; Ra. Thicknesse, Esq.; R. B; H. G.; Mr. William 

 Henry ; James Mai ton, Esq.; Mr. A. G. Theolden; Mr. W. 

 Boswell; Alexander Marcet, M. D. ; Mr. Timothy Shel- 

 drake; Mr. Ezekiel Walker; C.Wilkinson, Esq.; Mr. 

 Charles Sylvester; A Correspondent; Mr. Edward Trough- 

 ton; W. Jessop, Esq.; C.L. ; Thomas Harrison, Esq. 



Of Foreign Works, H. Beaupoil; Count Apollos de 

 Moussin Poushkin ; Abbe Buee ; Abbe Hauy ; Rome de 

 L*Isle; M. Maunoir ; Huber; Professor Veau-de-Launav ; 

 Cit. Curadau; Alichael de Grubbens; Professor Prevost; M. 

 Seguin; M. Vauquelin; C. L. Morozzo; M. Parmentier 5 

 B. G. Sage; R. Prony; Bucholz; J. H. Hassenfratz; W. 

 D'Hesinger and J. B. Bergiius; Bode; Professor Proust; 

 Tromsdorff; Strauss. 



And of English Memoirs, abridged or extracted; Charles 

 Hatchett, Esq. F. R. S. ; Benjamin Count of Rumford, 

 V. P, R. S. &c.; Thomas Young, M. D. F. R. S. ; Mr. 

 John Prior; Sir James Hall, Bart.; Mr. W. Bowler; Mr, 



Thomas Willis. 



Of the Engravings the Subjects are, 1. Two Plates of Ap- 

 paratus for Experiments on Heat ; by Count Rumford. 2. 



A new 



