WHAT TO USE FOR WATER-PIPES. 149 



are fully protected from danger. It is quite prob- 

 able that not many years will elapse before new 

 devices for conducting water to dwellings, which 

 are safe and cheap, will be afforded us, as this is 

 an important question towards which many compe- 

 tent and ingenious minds are turned at the present 

 time. 



