 | Cambridge Philosophical Society - 1880 - عدد الصفحات: 494
...can thus be used larger, in proportion to the size of the face of the prism, than when a single prism with an angle equal to the sum of the angles of the half-prisms is used. Thollon has given a mathematical investigation to show that when two halfprisms... | |
 | George Downing Liveing, Sir James Dewar - 1915 - عدد الصفحات: 646
...can thus be used larger, in proportion to the size of the face of the prism, than when a single prism with an angle equal to the sum of the angles of the half-prisms is used. Thollon has given a mathematical investigation to shew that when two half-prisms... | |
 | Harold Pender, William Arthur Del Mar - 1922 - عدد الصفحات: 2306
...quantity which has a magnitude equal .to the product of the magnitudes of the two •-)-; titles and an angle equal to the sum of the angles of the two quantities. Division of a Complex Quantity by a Complex Number. — a+jb (a +jb)(a\ —jh) aai + bbi... | |
 | Cambridge Philosophical Society - 1880 - عدد الصفحات: 466
...can thus be used larger, in proportion to the size of the face of the prism, than when a single prism with an angle equal to the sum of the angles of the half-prisms is used. Thollon has given a mathematical investigation to show that when two halfprisms... | |
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... out the economy of using one half-prism attached to the collimator with one face perpendicular to the axis, and another similar half-prism attached in a similar way to the telescope. A beam of light can thus be used larger, in proportion to the size... 