Elements of Physical Manipulation, Part 1Hurd & Houghton, 1873 |
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Page 19
... removing it and not- ing what weights are necessary to bring the beam again to a hori- zontal position . A spring ... removed . Measurement of Length . Distances are most commonly meas- ured by a scale of equal parts , that is , one with ...
... removing it and not- ing what weights are necessary to bring the beam again to a hori- zontal position . A spring ... removed . Measurement of Length . Distances are most commonly meas- ured by a scale of equal parts , that is , one with ...
Page 32
... remove the burner and the temperature will at first continue to rise , and will then fall rapidly . Record the time ( in minutes and seconds ) of attaining 95 ° , 90 ° , 85 ° , & c . , taking shorter intervals as the tem- perature ...
... remove the burner and the temperature will at first continue to rise , and will then fall rapidly . Record the time ( in minutes and seconds ) of attaining 95 ° , 90 ° , 85 ° , & c . , taking shorter intervals as the tem- perature ...
Page 33
... remove the latter . The tem- perature will still rise for a short time , then become stationary and fall . Read each thermometer at its highest point , stirring the wa- ter meanwhile . Repeat at intervals of about 10 ° until the water ...
... remove the latter . The tem- perature will still rise for a short time , then become stationary and fall . Read each thermometer at its highest point , stirring the wa- ter meanwhile . Repeat at intervals of about 10 ° until the water ...
Page 36
... remove the metals , and even this is not perfectly effectual , especially in the case of zinc . Moreover , by long boiling a small amount of oxide is formed , which is dissolved by the metal . The mercury used for amal- gamating battery ...
... remove the metals , and even this is not perfectly effectual , especially in the case of zinc . Moreover , by long boiling a small amount of oxide is formed , which is dissolved by the metal . The mercury used for amal- gamating battery ...
Page 37
... remove the surplus by pressing the glass plate , which should be attached to the left thumb , down on to it . Take care that no air bubbles are imprisoned . Empty the mercury into the large tube CALIBRATION BY MERCURY . 37.
... remove the surplus by pressing the glass plate , which should be attached to the left thumb , down on to it . Take care that no air bubbles are imprisoned . Empty the mercury into the large tube CALIBRATION BY MERCURY . 37.
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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