53 
The bottom of the reservoir as well as the top is soldered in, and, as 
is shown in Fig, III, the top is provided with two openings, one for the 
pump and the other for introducing the liquid. The pump orifice, a , is 
1£ inches in diameter, while the opening for the liquid, />, is 4£ inches 
^ s/S'« 
Fig. III. 
wide by 7 inches long. Above and surrounding this opening is a rim 
inches high, into which is fitted a strainer, made of fine copper wire. 
The strainer, Fig. IV, rests on a slight projection made in the copper 
at the bottom of the rim, and is removed by means of a handle across 
the middle, a, Fig. IV. For closing the opening a lid made of copper, 
Fig. IV, b and c, is used, this fitting down tightly in the rim. 
The Pump. (Fig. V.)—The pump is 17J inches long and 1J inches in 
diameter, and for making it 6 castings, weighing 2^ pounds, lo£ inches 
of 1^-inch brass tubing and 14J inches of 1-inch brass tubing, are re¬ 
quired. 
It is not necessary to go into the details of the various parts of the 
pump, as the figures and explanations thereto will, we think, enable 
any one to understand the offices of the various parts. The pump is 
