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Treatise on the Locomotive and the Air Brake Vol 2 ITC 1901 Locomotive boilers
A Treatise on the Locomotive and the Air Brake Vol 2 ITC 1901 Locomotive boilers, steam cylinders and valve gears, locomotive management, breakdowns, compound locomotives, train rules, car lighting, car heating, the electric headlight with numerous practical questions. TWO INCHES thick! International Correspondence Schools
THE SIDE binding cover is missing. The cover is attached but a little loose. Some fold out pages.
1. The locomotive may be regarded as consisting of three parts: the apparatus for generating the steam (the boiler); the mechanism for utilizing the steam (the engine proper); and the wheels, frames, and springs, which constitute a carriage or vehicle to enable the whole to move from place to place.
For the present, the first of these parts, namely, the boiler, will be dealt with.
2. Locomotive boilers all belong to the horizontal multi-tubular class, with internal firebox. At the present time, however, there are five types of locomotive boilers in general use: the straight-top, the Belpaire, the wagon-top, the extended wagon-top, and the wide-firebox. Each type has especial advantages, depending on the service, character of fuel, and water used.
3. Straight-Top Boiler.-Fig. 1 shows a boiler of this type, having a shallow firebox, with its crown sheet stayed by crown bars, (a) being a longitudinal section through the center of the boiler, and (b) a cross-section and back-end view of the firebox. The crown bars r support the crown sheet 0, while the diagonal stays e support the back boiler head B and front tube-sheet F. The tubes F" extend between the front and back tube-sheets F and F', and in this type of boiler, as shown in Fig. 1, the barrel W containing the tubes is the shape of a telescope, each ring being inside of the one next back of it.
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