CONNECTING HOSE. 121 



obtained from a small rivulet, and, in situations and places 

 where it would be extremely difficult, if not impossible, to build 

 wooden water wheels. 



SUCTION HOSE. 



Hose for different purposes, is made by covering wire wound 

 spirally with gum-elastic. By this method of manufacturing 

 hose, an article is obtained which is flexible to be coiled, and is 

 not liable to collapse. On that account, this is a description of 

 hose which answers in some cases where metal and leather 

 hose will not. 



IMPROVED SPIRAL HOSE. 



Specimens of hose have recently been made of hemp cord, 

 covered with vellum and wound spirally, which recommends 

 itself on account of superior strength. It is lined inside with 

 canvas to prevent its tearing longitudinally, and is not liable to 

 be cut, and when damaged may be mended by riveting, like 

 leather hose. 



CONNECTING HOSE. 



This is made of sheets of gum-elastic compound, and has 

 been found exceedingly useful for joints, in connecting various 

 sorts of tubes of other materials, used for chemical and other 

 apparatus. 



