Light: A Course of Experimental Optics, Chiefly with the LanternMacmillan, 1882 - 367 σελίδες |
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Σελίδα xvii
... - Mica and Selenite Combinations - Crossed Crystals - Norremberg's Uni - axial Mica Combinations— Airy's Spirals - Savart's Bands . 308-332 CHAPTER XVI . OPTICAL PHENOMENA OF CRYSTALS IN CIRCULARLY POLARISED CONTENTS . xvii.
... - Mica and Selenite Combinations - Crossed Crystals - Norremberg's Uni - axial Mica Combinations— Airy's Spirals - Savart's Bands . 308-332 CHAPTER XVI . OPTICAL PHENOMENA OF CRYSTALS IN CIRCULARLY POLARISED CONTENTS . xvii.
Σελίδα 66
... band as first revealed to Newton's enrap- tured eyes ; and which is to introduce us to a new and magnificent field - that of colour . Of all the people who have experimentally studied Optics , and who of course have performed this ...
... band as first revealed to Newton's enrap- tured eyes ; and which is to introduce us to a new and magnificent field - that of colour . Of all the people who have experimentally studied Optics , and who of course have performed this ...
Σελίδα 68
... band passed round near each end ; they must not , however , quite touch , and may , if necessary , be kept apart by a narrow slip of paper at each end between them . In the direct path of the rays from the slit , is a focusing lens , F ...
... band passed round near each end ; they must not , however , quite touch , and may , if necessary , be kept apart by a narrow slip of paper at each end between them . In the direct path of the rays from the slit , is a focusing lens , F ...
Σελίδα 97
... band of scratches 3 inches across , with a little margin outside . ( See Fig . 68. ) Remove the objective and place on the flange - nozzle of the lantern , a cap with a fine horizontal slit A B , 3 inches long , or a glass cap FIG . 67 ...
... band of scratches 3 inches across , with a little margin outside . ( See Fig . 68. ) Remove the objective and place on the flange - nozzle of the lantern , a cap with a fine horizontal slit A B , 3 inches long , or a glass cap FIG . 67 ...
Σελίδα 111
... band ; but this need not matter to us . Arrange the loose focusing lens F ( the longest - focus one if there are two ) so as to focus the slit on the screen if the beam were direct ( the lantern must , of course , be deflected , as for ...
... band ; but this need not matter to us . Arrange the loose focusing lens F ( the longest - focus one if there are two ) so as to focus the slit on the screen if the beam were direct ( the lantern must , of course , be deflected , as for ...
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adjusted analyser aperture apparatus appear arranged axes axis bands beam beautiful bi-axial black card blue calcite Cambridge centre circular Clifton College colour convergent crossed Crown 8vo crystal dark diffracted direction disc dispersion double refraction Edition effects ELEMENTARY ether experiment Extra fcap film focus focusing give glass green heat HISTORY Illustrations interference J. P. MAHAFFY lantern late Fellow law of sines lens lenses lime-light lines matter mica mirror molecules motion nearly Newton's Newton's rings Nicol Nicol Prism nozzle numerous object optic axis optical stage ordinary Owens College parallel particles perpendicular phenomena plane plane-polarised polariscope polarised position prism produced Professor quarter-wave plate quartz rays retardation revised right angles rings rotated School screen seen selenite shown slide slide-stage slit solution spar spectra spectrum surface theory thickness thin tion tourmaline TREATISE Trinity College tube uni-axial velocity vibrations violet wave-length waves
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