MACHINE FOR CLEANING CHIMNEYS, 173 



flues which no child can get up, and that of extinguishing 

 chimnies when on fire, by placing a wet cloth over the brush, 

 and forcing it up the chimney. 



The construction of the machine is so fully shown by the 

 description and engraving of it in page 256, of the 23d vo- 

 lume of the Society's Transactions*, that it will be unneces- 

 sary to say more upon the subject. 



I am, Sir, your humble servant, 



GEORGE SMART. 



When I first mentioned this machine in the Journal, vol. VI, 

 I promised to see it tried in my own house. This I have since 

 done, and find no reason to modify any thing there said, as it 

 performed its office to my perfect satisfaction. 



IV. 

 Description of a Machine for Cleansing Cliimneys, "without the 

 use of climbing Boys. By Mr. Joseph Davis, No. 14, 

 Crescent, Kingsland Roadf. 



Sir, 



I 



Had the pleasure of submitting to your inspection, a mo- Machines for 



I del of a machine for the purpose of cleansing chimneys, on chimne''^ 

 the 3d of May, lS03,and which I wished to be brought before 

 the Society of Arts, being convinced, that the approbation of 

 ' so respectable and enlightened a body of men would greatly 

 tend towards the superseding the use of climbing boys; and I 

 shall, therefore, feel myself greatly obliged if they would ex- 

 amine the machine, and favour me with their opinion on it. 

 I am, Sir, very respectfully yours, 



JOSEPH DAVIS. 

 Sir, 

 The brush part of the model of my machine for cleansing 

 I chimnies, which I sent you on the 3d of INlay 1S03, not hav- 



* Or vol. VI of our Journal. 



t Transact, of the Society of Arts, vol. XXV, p. 101. The Society 

 Toted the silver medal to Mr. Davis, his machine being coneeiyed next 

 io merit to Mr. Smart**. See the preceding Article. 



