heated on the Gutter /System. 



19 



ing is admirably adapted to cucumber pits, and all other pur- 

 poses for which bottom heat is required. It has been tried 

 in the garden of the Lon- 

 don Horticultural Socie- 

 ty, and found to answer 

 well. 



The Boiler by which 

 the pipes are heated is 

 one of Burbidge & 

 Healy's, which is now 

 much in use in the vi- 

 cinity of London. They 

 are of cast iron, and 

 constructed so as to be 

 readily heated with a 

 moderate quantity of 

 fuel. These boilers may 

 be imported of the man- 

 ufacturers, London, at 

 fair prices, and we 

 should like to see them 

 tried by some zealous 

 amateur. Boilers heat- 

 ing one hundred and fif- 

 ty to two hundred feet 

 of 4 inch iron pipe, can 

 be bought for three 

 pounds ten shillings 

 sterling, (about eighteen 

 dollars.) We visited the 

 extensive manufactory 

 of Messrs. Burbidge & 

 Healy and saw all the 

 different sizes, and, from 

 a hasty inspection, we 

 should pronounce them 

 one of the most econom- 

 ical boilers as regards 

 fuel that has been in- 

 vented. In a future 



S 



<5> 



Plan of a cucumber or melon pit heated by hot wa- 

 ter circtt/atimg in iron gutters. 



