GASOMETERS. 139 



questions, by his opinion. It is not to be supposed that a man, simply be- 

 cause he is a director, should know better than those who by education and 

 constant practice are qualified to judge of the arrangements essential to the 

 ceconomy of a gas establishment. 



" There are many parts of the apparatus objected to because they are in 

 the first instance expensive, and because it is possible to carry on the works 

 without them. The directors, not being gifted with foresight, see only the 

 present outlay, and do not consider the constant saving, because those savings 

 are small. System, order and proper attention to these small savings are the 

 groundworks of ceconomy, and consequently the best means by which their 

 dividend may be increased." 



WEIGHT AND ESTIMATES OF GASOMETERS. 



The weight of a gasometer of 87 feet 6 inches diameter, and 25 feet high, 

 the sides made of No. 16 wire gauge, and top of No. 14, will be as follows : 



Tons. Cwt Qrs. Ifes. 



Sides, No. 16 wire-gauge - 8 13 1 23 



Top, No. 14 ditto - - 9107 



T iron at the sides - 6 19 2 



Angle iron - 2 10 1 24 



Iron rings, clips, &c. 2 3 1 23 



Cross-braces, pipe, stays, eyes, bolts, etc. - 3 14 3 8 



Rivets - 0725 



Curb at bottom ------5000 



Tons - 38 10 1 



8 sets of tripods, each 5 2*. Id. - - 40 18 



Bolts, brackets, etc. -----0938 



Tons - 41 7 3 8 



*. d. 



Estimate for gasometer, including the erection - - 1 292 

 Tripods, etc. - 317 10 



1609 10 

 T 2 



