CONTENTS. XV 



VI. Account of the new Gazometer of C. Seguin - p. 405 



This principal advantage of this inftrument confifts in the gafcs being fubjefted to a very regular and 

 meafurable preflure. 



VII. Inftrudlions for making red Crayons. By A. F. Lomet p. 406 



VIII. Chemical Experiments and Obfervations on the produ6tion of Sugar, and 

 an ufeful Syrup from indigenous Plants. By Sigifmund Frederic Hermftadf, 

 (concluded from page 339) . _ . p. 410 



Fafts and obfervations concerning the quantities of fugar obtained from the white beet, the runkel- 

 riibe, common beet, carrots, turnips, colewort, Ikirrets, and parfnips, 



IX. On the filent Efcapement of Mr. Goodrich. By a Correfpondent 



p. 419 



X. Refults of various Experiments for determining the Quantity of Aftion which 

 Men can afford by their Daily Work, according to the different Manners iri 

 which they employ their Strength. By Citizen Coulomb - P- 419 



XL New Refearches into the Affinities which the Earths exert upon each other 

 in the humid and in the dry Way. By Citizen Guyton - ?• 419 



XII. Account of the Improvements made on the Farm in the Great Park of 

 his Majefty, the King, at Windfor. By Nathaniel Kent, Efq. p. ^zz 



Account of Books, &c, - - - . p. 426 



JANUARY 



