JOURNAL 



OF 



NATURAL PHILOSOPHY, CHEMISTRY, 



Atti> 



THE ARTS. 



JANUARY, 1805. 



ARTICLE I. 



Concerning the original Inventors of certain philofophical Difi 

 coveries : the Reflection of Cold ; Conrprejfwn of Water in a 

 metallic Vejjel; the Tele/cope; and a perfpective Inftrument for- 

 merly defcribed. In a Letter from Sir H. C. ENGLEtiELDi 

 Bart. M. P. F. R. S. Spc. $r. 



To Mr. NICHOLSON. 

 SIR, 



A 



LTHOUGH abflracledly fpeaking, it is of no importance! Univerfal fenti- 



c in favou 

 fcovererg. 



lo fcience who firft made the mod valuable experiments, or to m f?- z in 



r or di 



what individuals the world is indebted for the mod ufeful dis- 

 coveries ; yet as the fenfe -of mankind has univerfally in this, 

 as in feveral other things, been in direct oppofition to frigid 

 reafoning, and every one has been defirous to vindicate the 

 fame of eminent men, by ascertaining to them the honour due 

 to their labour or genius, I truft that the following obferva- 

 tions will not be deemed unworthy a place in your valuable 

 Journal. 



1. The experiment of the reflexion of cold has been, as far Refle&Ion of 

 as I know, both in converfation and in printed books, uni- c ° ,d bribed to 

 forrnly afcribed to Mr. Piclet of Geneva. Now in the collec- J ' ' 



Vol. X.—- January, 1305. B tion . 



