55 Om the Efficacy ofYfJl 



the difplacement of the parts put in motion, and the extent 

 of the difplacement, which depend on flexibihty. 



Allaying and tempering favour the increafe of elafticUy ; 

 becaufe, thefe operations, by bringing the moIeculjE nearer 

 to each other, comprefs the caloric, which tends afterwards 

 to re-eftablifli itfelf. All thefe rafts have induced the author 

 to conclude, that caloric has at leaft a great fharc in all the 

 phenomena exhibited by elafticlty. 



XI r. On the Efficacy of Yejl in the Cure of tbofe Difeafcs 

 hwu-'u by the Name of Piilrid*. 



Jl\ Remedy, which contains much fixed air^has been lately 

 flarted by the Rev. INIr. Cartwright, whicli merits the highcfl 

 attention. Seventeen years ago, fays this gentleman, I went to 

 re.fide at Brampton, a very populous village near Cheflerfield. 

 I had not been there manv months before a putrid fever broke 

 out among us : finding bv far the greater number of my new 

 parifliioners much too poor to afford themfelves medical aflift- 

 ance, I undertook, bv the help of fuch books on the fubj^^dt of 

 medicine as were in my polfeflion, to prefcribe for them. I 

 early attended a boy about fourteen years of age, who was 

 attacked by this fever ; he had not been ill many days before 

 the fymptoms were unequivocally putrid. I then adtniniftered 

 bark, wine, and fuch other remedies as my book dirCvSled. 

 My exertions, however, were of no avail ; his dlforder grew 

 every day more untractable and malignant, fo that I was in 

 hourly expeftation of his diflblution. Being under the ab- 

 folute neceffitv of taking a journey, before I fet off I went to 

 fee him, as I thought, for the lad time, and I prepared his 

 parents for the event of his death, which I confidered as in- 

 evitable, and reconciled them in the bell manner I was able 

 to a lofs which I knew thev would feel feverely. While I 

 was in converfation on this diftrefling fubject witli his mo- 



■' The conten-s of this article cannot be too generally kuown. How 

 many valuable lives arc yearly loft by putrid fove throats, fevers, &c. 

 which might be faved to the comnaunity, and to their relatives, if the cure 

 here recommended were geiierally known and refortcd to ! with proper 

 medical aid, however, where it cjn be had. Edit. 



ther. 



