CONTENTS. 



V 



Arts and Sciences. By Rev. John Lathrop, d.d. 



f^g€* 



At A. 5* 



Faial effeEls of Lightning ; in a letter to the Rev. Joseph 



r 



WiLLARD, Frejident of the tmiverfity in Cambridge^ and 

 Vice Prefident of the American Academy of Arts and Sci- 

 ences. By Rev. John Lathrop, d.d. a.a.s. 



An account of the effe&s of Light }iing on the houfe (s/' Jo NA- 

 THAN Mason, Efq. in Boflm. In a letter to the Rev. 

 Joseph Willard, d.d. l.l.d. and Vice Prefident of 



the American Academy of Arts and Sciences, By Rev. 



John Lathrop, d.d. 



Obfervations on EleHricity^ and an improved mode of con- 

 flru£ling Lightning Rods. In a letteh from the Hon. 



r 



Loam MI Baldwin, f.a.a. to the Re\f. Joseph Wil- 



LARD, D.D. L.L.D. Vice Prefdent of the^^ American Acad- 

 emy of Arts and Sciencesy 



Remarks on the Hon. Loammi ^alt)W11<i^s propofed hn- 

 provement in Lightning Rodsy in a letter from Aaron 



Putnam, Efq. to the Rev. Jedidiah Morse, d.d, 

 f.a.a. \ 



%7 



Remarks on a Natural Phofphorus, By Do&or So 



Drow 



Obfervations upon the art ofextra&Ing Marine Salt from fa 

 water y by evaporation ^ produced by the funs heat ; isjith a 

 defcription of the 'works ^ and the fcveral proceffes ufed in 

 preparing Medicinal Salts^ and Magnefia Alba. By 



Tames Th 



8i 



9 



I 



96 



99 



04 



7 



Proccfs 



