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'Ay, but there's no meteorological department in Larut. Each man is a law to himself. Some drink whisky, and some drink brandipanee, and some drink cocktails vara bad for the coats o' the stomach is a cocktail and some drink sangaree, so I have been credibly informed; but one and all they sweat like the packing of piston-head on a fourrteen-days' voyage with the screw racing half her time.
How wonderful it all was, he thought the up and down stroke of the piston in and out of the cylinder, which oscillated from side to side guided by the eccentric; with the steady systematic revolution of the shaft, borne round by the crank attached to the piston-head, all working so smoothly, and yet with such resistless force!
The cylinder is 10-inch bore, and 14-inch stroke; steam chest extends enough beyond the ends of the cylinder so that the steam travels only 21/2 inches, the shortest distance possible, after leaving the valve before it reaches the piston-head, and the space between the piston-head and cylinder-head is only one-fourth of an inch, the bolt heads being counter-sunk until even.
The upper extremity of each of the piston-rods is attached by a cord to one end of a stout pliable stick, which is firmly fixed at its other end in a horizontal position, the cord being of such a length that the piston-head is supported by it near the upper end of the cylinder.
The piston of the gasoline engine, however, working by the force of exploded gas, produces power when moving in one direction only the piston-head is pushed out by the force of the explosion, just as the plunger of a bicycle pump is sometimes forced out by the pressure of air behind it.
To the surprise of the engineer, the engine began one day working at greatly increased speed, when it was found that the piston-head had been pierced by accident and that the cold water had passed in small drops into the cylinder and had condensed the steam, thus rapidly making a more perfect vacuum.
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