 | American Academy of Arts and Sciences - 1866 - 588 Seiten
..." On the new form of the Achromatic Object-Glass recently introduced by Steiuheil." In Juno, 1860, Professor Steinheil communicated to the Royal Academy...Sciences at Munich * a notice of an object-glass of thirtysix lines aperture, executed at his optical establishment according to the system of curves proposed... | |
 | 1881 - 612 Seiten
...of flint glass being fitted between two double convex lenses of crown glass. In June, Fig. 23. 1860, Professor Steinheil communicated to the Royal Academy of Sciences at Munich, a notice ot an object-glass of the form shown in (Fig. :>4), executed according to the system of curves proposed... | |
 | Thomas Nolan - 1904 - 188 Seiten
...double-concave lens of flint glass being fitted between two doubleconvex lenses of crown glass. In June, 1860, Professor Steinheil communicated to the Royal Academy...notice of an object-glass of the form shown in (Fig. 24), executed according to the system of curves proposed by Gauss. The curves in this combination bear... | |
 | American Academy of Arts and Sciences - 1866 - 592 Seiten
..." On the new form of the Achromatic Object-Glass recently introduced by Steinheil." In June, 1860, Professor Steinheil communicated to the Royal Academy...Sciences at Munich * a notice of an object-glass of thirtysix lines aperture, executed at his optical establishment according to the system of curves proposed... | |
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Professor Steinheil communicated to the Royal Academy of Sciences at Munich, a notice of an object-glass of the form shown in (Fig. '.'4), executed according to the system of curves proposed by Gauss. The curves in this combination bear a considerable... 