Elements of Physical Manipulation, Part 1Hurd & Houghton, 1873 |
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Page 11
... vertical and horizontal lines . Select one of each of these lines to start from . The vertical one is called the axis of Y , the other the axis of X , and their intersection , the ori- gin . Make x = 1 , y will equal 2 , since it is ...
... vertical and horizontal lines . Select one of each of these lines to start from . The vertical one is called the axis of Y , the other the axis of X , and their intersection , the ori- gin . Make x = 1 , y will equal 2 , since it is ...
Page 12
... vertical , as for horizontal dis- tances , but this should depend on the size of paper , making the curve as large as possible . The greatest accuracy is attained when the latter is about equally inclined to both axes . It is sometimes ...
... vertical , as for horizontal dis- tances , but this should depend on the size of paper , making the curve as large as possible . The greatest accuracy is attained when the latter is about equally inclined to both axes . It is sometimes ...
Page 15
... vertical , nor cross , unless it overhangs . A single contour line cannot lie between two others , both greater or both smaller , unless we have a ridge or gulley per- fectly horizontal , and at precisely the height of the contour . In ...
... vertical , nor cross , unless it overhangs . A single contour line cannot lie between two others , both greater or both smaller , unless we have a ridge or gulley per- fectly horizontal , and at precisely the height of the contour . In ...
Page 18
... vertical line of his transit . Two marks are thus made on the chro- nograph , and the interval between them gives the difference in longitude . The advantage of this method of taking transits is not so much its accuracy , as the ease ...
... vertical line of his transit . Two marks are thus made on the chro- nograph , and the interval between them gives the difference in longitude . The advantage of this method of taking transits is not so much its accuracy , as the ease ...
Page 22
... vertical rod to which a scale is attached . The difference in height of any two objects is readily obtained by bringing the telescope first on a level with one , and then with the other , and taking the difference in the readings . A ...
... vertical rod to which a scale is attached . The difference in height of any two objects is readily obtained by bringing the telescope first on a level with one , and then with the other , and taking the difference in the readings . A ...
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Common terms and phrases
abscissas accuracy accurate amount angle of incidence angular aperture aperture Apparatus attached axis barometer beam brass Canada balsam centre coincide color column compute construct contour lines cross-hairs crystal curve determined diameter distance divided draw equal equation error Experiment eye-piece focus friction gives graduated circle hole horizontal hydrometer inches index of refraction instrument intervals latter length lens lenses liquid marked measure mercury meter method micrometer microscope millimetre minute mirror moving nearly Nicol's prism object observations obtained opthalmoscope paper parallel pass piece placed plane of polarization plate of glass polariscope polarized light position pressure reading reflected refraction remove rendered residual curve retina right angles scale scale-pan screw side slide slit specific gravity spherometer surface telescope temperature tenths tube turn varying velocity vernier vertical vibrations visible volume wave-length weight wire