476 THE CENTURY, 



ter being confumed, another begins 

 to force and 9 re-fill with cold water, 

 and fo fucceffively, the fire being 

 tended and kept conftant, which 

 the felf-fame Perfon may likewife 

 abundantly perform in the interim 

 between the neceffity of 1 turning 

 the faid Cocks. 



9 and that to refill. 1 necessity of omitted, 



[A Fire Water-work^ This is that great invention 

 which has popularized and preserved the fame of the 

 Marquis of Worcester in the public mind. Had the 

 whole of the Century been destroyed, with the exception 

 of this 68th article, enough would have remained to 

 satisfy any engineer, that the Marquis had achieved a 

 grand discovery. 



We shall proceed to notice what information books 

 and the patent records would afford, to stimulate his 

 inquiries into the possible practical application of the 

 effects, resulting from the action of fire on water in 

 close vessels. 



The work which has, from being often quoted, ac 

 quired especial notice on this subject is, &quot; Les Eaisons 

 des forces Mouvantes avec diverses Machines. Par Salo 

 mon de Caus,&quot; folio, published at Frankfort, 1615, in 

 which, at page 4, theorem V, under the title, &quot; L 1 eau 

 montera par aide dufeu, plus Jiaut que son niveau&quot; it is 

 illustrated and described as follows : &quot; Le troisiesme 

 moyen de faire monter, est par 1 aide du feu, dont il se 

 peut faire diverses machines, i en donneray icy la 

 demonstration d une. Soit une balle de cuiure marquee 

 A. bien soudee tout a lentour, & laquelle il y aura 

 un souspiral marque* D, par ou Ion mettra lean, 

 et aussi un tuyau marque* B, C, qui sera soude* en 



