 | Mrs. Marcet (Jane Haldimand) - Physics - 1821 - 350 pages
...smoothness or evenness in nature ; polished metals, though they wear that appearance, more than any other bodies, are far from really possessing it ;...proportion as the surfaces of bodies are well polished, the friction is doubtless diminished ; but it is always considerable, and it is usually computed to... | |
 | Mrs. Marcet (Jane Haldimand) - Physics - 1821 - 366 pages
...perceived through a good magnifying glass. When, therefore, the surfaces of the two bodies come into contact, the prominent parts of the. one will often...proportion as the surfaces of bodies are well polished, the friction is doubtless diminished ; but it is always considerable, and it is usually computed to... | |
 | Mrs. Marcet (Jane Haldimand) - Physics - 1824 - 370 pages
...are far from really possessing it; and their inequalities may frequently be perceived through a eood magnifying glass. When, therefore, the surfaces of...proportion as the surfaces of bodies are well polished, the friction is doubtless diminished; but it is always considerable, and it is usually computed to... | |
 | Mrs. Marcet (Jane Haldimand), John Lauris Blake - Astronomy - 1826 - 308 pages
...perceived through a good magnifying glass. When, therefore, the surfaces of the two bodies come into contact, the prominent parts of the one will often...other, and occasion more or less resistance to motion. Carotene. By friction, do you mean one part of the machine rubbing against another part contiguous... | |
 | Levi Washburn Leonard - New Hampshire - 1827 - 398 pages
...their inequalities may frequently be perceived. When the surfaces of two bodies, therefore, come into contact, the prominent parts of the one will often...other, and occasion more or less resistance to motion. Friction is usually computed to destroy one third of the power of the machine. The application of oil... | |
 | Mrs. Marcet (Jane Haldimand) - Astronomy - 1829 - 312 pages
...perceived through a good magnifying glass. When, therefore, the surfaces of the two bodies come into contact, the prominent parts of the one will often...watch, for instance, the friction must be very trifling 1 Mrs. B. In proportion as the surfaces of bodies are well polished, the friction i« doubtless diminished;... | |
 | Levi Washburn Leonard - Science - 1830 - 350 pages
...their inequalities may frequently be perceived. When the surfaces of two bodies, therefore, come into contact, the prominent parts of the one will often...other, and occasion more or less resistance to motion. Friction is usually computed to destroy one third of the power of the machine. The application of oil... | |
 | 1832 - 650 pages
...perceived through a good magnifying glass. When, therefore, the surfaces of the two bodies come into contact, the prominent parts of the one will often...other, and occasion more or less resistance to motion. In proportion as the surfaces of bodies are well polished, the friction is diminished; but it is always... | |
 | Physics - 1832 - 642 pages
...surfaces of the two bodies come into contact, the prominent parts of the one will often fall into (he hollow parts of the other, and occasion more or less resistance to motion. In proportion as the surfaces of bodies are well polished, the friction is diminished; but it is always... | |
 | Ireland commissioners of nat. educ - 1835 - 398 pages
...be perceived through a good magnifying glass. When, therefore, the surfaces of two bodies come into contact, the prominent parts of the one will often...other, and occasion more or less resistance to motion. In proportion as the surfaces of bodies are well polished, the friction is diminished ; but it is always... | |
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... perfect smoothness or evenness in nature: polished metals, though they wear that appearance, more than any other bodies, are far from really possessing it; and their inequalities may frequently be perceived through a good magnifying glass. When, therefore,... 
