Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 82American Philosophical Society, 1940 |
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... mirror plane is tangent to the cylindrical edge of the chamber and the bottom of the mirror is only 1.75 " from the interior of the chamber . 8 2. The Viewing Machine . In Fig . 2 , one sees a horizontal platform supporting the camera ...
... mirror plane is tangent to the cylindrical edge of the chamber and the bottom of the mirror is only 1.75 " from the interior of the chamber . 8 2. The Viewing Machine . In Fig . 2 , one sees a horizontal platform supporting the camera ...
Сторінка 339
... mirror , and a secondary convex mirror . The two parameters remaining after the con- ditions for aplanatism and anastigmatism have been satisfied , are the distance of the correcting plate from the primary mirror and the distance of the ...
... mirror , and a secondary convex mirror . The two parameters remaining after the con- ditions for aplanatism and anastigmatism have been satisfied , are the distance of the correcting plate from the primary mirror and the distance of the ...
Сторінка 340
... mirror . The Wright camera , called the " short " camera to distinguish the mem- ber of his family that has a flat field , corresponds to the Schwarz- schild two - mirror system . Wright's work in turn can easily be generalized to show ...
... mirror . The Wright camera , called the " short " camera to distinguish the mem- ber of his family that has a flat field , corresponds to the Schwarz- schild two - mirror system . Wright's work in turn can easily be generalized to show ...
Зміст
and Finance C R WHITTLESEY | 73 |
Discussion of Totalitarianism HERBERT HEATON | 89 |
Blaise de Vigenère and the Chiffre Carré CHARLES | 102 |
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