45, COBNH1LL, E.G., AND 122, REGENT STREET, W., LONDON. 509 



The construction is reduced to the greatest simplicity, and requires only a few 

 minutes to comprehend. The Boiler is made of the best Staffordshire plate-iron, 

 its strength tested to 120 Ibs. upon the square inch, and it is complete with all the 

 usual fittings. No foundations are necessary. The space occupied is about 6| 

 feet long, 4 feet wide, and 5| feet high. It is sent out ready for working, with a 

 set of stoking-irons and 6 feet of Iron chimney. 



The expense of working the Apparatus is the attendance of one person, and 

 about 10 Ibs. of coal hourly or its equivalent in wood fuel. Drawings, with book of 

 reference and instructions, are supplied with each Machine. 



It is advisable to have a spare set of Valves and Springs, these being the chief 

 parts of the machinery influenced by constant wear and tear ; also duplicates of 

 other parts liable to derangement should be separately ordered with the apparatus, 

 when for export, the cost averaging about 12. Price of ^Ether for use with Ice 

 Machine, per gallon, 12s. 6d., in sealed Metal Cans and cases specially prepared for 

 export. Price of Cans holding 4 gallons of JEther, fitted with Gun Metal Screw 

 Caps, made extra secure against leakage, 12s. each. 



FIG. 3132. FIG. 3130, 



HYDRAULIC MACHINERY. 



3129 Portable Proving Pumps, for testing Boilers, Tubes, 



&c., with discharge Tap and Union, mounted on a 

 strong Iron pail, complete, with Gauge to test to 

 200 Ibs. per square inch 770 880 



3130 Hydraulic Press Pump, (Bramah Pattern, fig. 3130). This Pump is fitted 



with Safety and Relief Valves of the most improved construction, and has 

 been found by experience to be most convenient and durable, and not liable 

 to get out of order under the most severe strains . . . 25 



3131 Hydraulic Press Pump of larger and stronger pattern 28 

 Extra for knuckle joint, sleeve and pin for working the above Hydraulic Presses 



by Steam Power, 3 10 



3132 Hydraulic Presses, of various sizes, adapted to different purposes, with 



Horizontal Pump attached direct to the press. The bed of the press 

 serving for a cistern. These Pumps, as shown in fig. 3132, are provided 

 with relief and safety valves, &c., of the best workmanship. 

 Price, 36 50 80. Power of these Presses 15 to 100 Tons. 



