December 21, 1871. ] JOUBNAL OP HOETICULTUEE AND COTTAGE GABDENEE. 



491 



sheet 12 feet ■wide, and ■with a fall of 24 feet into a basin. Two 

 lateral falls accompany the principal one, and the total delivery 

 of ■water is 3000 metres cube per hour, or 800 litres every second. 



We shall have occasion frequently to allude to this admir- 

 able ■work, but we shall at present merely content om-selves 

 with explaining to our readers its style. It is in large folio. 



