 | William Laxton - 1846 - 456 páginas
...and tender, taking into account the atmospheric resistance to the piston ; so that there is always 15 pounds of pressure of steam in all high-pressure engines...locomotive engines alone, but to all high-pressure engines ; and therefore in estimating the consumption of fuel and dividing the proportion of expenses, it became... | |
 | 1846 - 910 páginas
...and tender, taking into account the atmospheric resistance to the piston ; so that there is always 15 pounds of pressure of steam in all high-pressure engines...locomotive engines alone, but to all high-pressure engines ; and therefore in estimating the consumption of fuel and dividing the proportion of expenses, it became... | |
 | 1846 - 464 páginas
...and tender, taking into account the atmospheric resistance to the piston ; so that there is always 15 pounds of pressure of steam in all high-pressure engines...locomotive engines alone, but to all high-pressure engines ; and therefore in estimating the consumption of fuel and dividing the proportion of expenses, it became... | |
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... atmosphere to the pistons; it will not require more than three or four pounds to overcome the friction of the engine and tender proper, but it requires 15 pounds in addition to that to overcome the engine and tender, taking into account the atmospheric... 