WITH NOTES. 487 



described agreeing precisely with the preceding article, 

 No. 68. And at the particular point just quoted, we 

 have even a closer analogy, in the use of the very same 

 words in reference to the same parts turning and 

 tending. And while, in No. 100, the Marquis informs 

 us what u a child s force&quot; can perform; here Savery 

 speaks of &quot; a boys strength&quot; which is enlarged on, 

 however, by recommending a man s services. 



The next earliest notice we find of this engine is 

 given by Richard Bradley, F.R.S., in his &quot; New 

 Improvements of Planting and Gardening,&quot; 8vo. 1718, 

 who, in the third part, at page 175, supplies an engrav 

 ing of &quot; the late Mr, Savory, F.R.S.,&quot;* his engine, as 

 set up by him &quot; for that curious gentleman Mr. Balle 

 of Cambden House.&quot; It is represented as a spherical 

 boiler, capable of holding forty gallons, supported on 

 a tripod, with a fire on the ground underneath. It is 

 connected with a bell-shaped receiver of thirteen gallons 

 capacity, supplied below with a pipe sixteen feet long, 

 and above with a pipe to elevate the water, forty-two 

 feet. The steam pressure is stated to be capable of 

 discharging fifty-two gallons per minute, the pipes being 

 of three inches bore; and the original cost of the 

 whole was 50. 



In 1729, Stephen Switzer published his &quot;Introduc 

 tion to a general system of Hydrostaticks,&quot; in two 

 volumes quarto. He says : 



u Amongst the several Engines which have been 

 contrived for the raising of water for the supply of 

 houses and gardens, none has been more justly surpris 

 ing than that of the raising of water by fire ; the par 

 ticular contrivance and sole invention of a gentleman, 



* Savery is supposed to have died in 1715, but no particulars are on record 

 respecting his death and burial. 



