A Treatise on the Kaleidoscope1858 |
From inside the book
Արդյունքներ 57–ի 1-ից 5-ը:
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... of instructing the artist how to employ it in the numerous branches of the useful and ornamental arts to which it is applicable . CHAPTER I. PRELIMINARY PRINCIPLES RESPECTING THE EFFECTS OF COMBINING TWO 8 HISTORY OF THE KALEIDOSCOPE .
... of instructing the artist how to employ it in the numerous branches of the useful and ornamental arts to which it is applicable . CHAPTER I. PRELIMINARY PRINCIPLES RESPECTING THE EFFECTS OF COMBINING TWO 8 HISTORY OF THE KALEIDOSCOPE .
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David Brewster. CHAPTER I. PRELIMINARY PRINCIPLES RESPECTING THE EFFECTS OF COMBINING TWO PLAIN MIRRORS . THE principal parts of the Kaleidoscope are two reflecting planes , made of glass , or metal , or any other reflecting substance ...
David Brewster. CHAPTER I. PRELIMINARY PRINCIPLES RESPECTING THE EFFECTS OF COMBINING TWO PLAIN MIRRORS . THE principal parts of the Kaleidoscope are two reflecting planes , made of glass , or metal , or any other reflecting substance ...
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... infinitely small , and the two sectors , b o ß , a o a , will join each other exactly at the line o e , as in Fig . 3 . CHAPTER II . ON THE PRINCIPLES OF THE KALEIDOSCOPE , CHAP . I. 15 RESPECTING TWO PLAIN MIRRORS .
... infinitely small , and the two sectors , b o ß , a o a , will join each other exactly at the line o e , as in Fig . 3 . CHAPTER II . ON THE PRINCIPLES OF THE KALEIDOSCOPE , CHAP . I. 15 RESPECTING TWO PLAIN MIRRORS .
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David Brewster. CHAPTER II . ON THE PRINCIPLES OF THE KALEIDOSCOPE , AND THE FOR- MATION OF SYMMETRICAL PICTURES BY THE COMBINATION OF DIRECT AND INVERTED IMAGES . THE principles which we have laid down in the preced- ing chapter must ...
David Brewster. CHAPTER II . ON THE PRINCIPLES OF THE KALEIDOSCOPE , AND THE FOR- MATION OF SYMMETRICAL PICTURES BY THE COMBINATION OF DIRECT AND INVERTED IMAGES . THE principles which we have laid down in the preced- ing chapter must ...
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... will form a re - entering angle towards o , and when it is less than A O B , the same lines will form a salient angle towards o . CHAPTER III . ON THE EFFECTS PRODUCED BY THE MOTION CHAP . II . PRINCIPLES OF THE KALEIDOSCOPE . 25.
... will form a re - entering angle towards o , and when it is less than A O B , the same lines will form a salient angle towards o . CHAPTER III . ON THE EFFECTS PRODUCED BY THE MOTION CHAP . II . PRINCIPLES OF THE KALEIDOSCOPE . 25.
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Common terms and phrases
A O E aliquot angle A O B angles of incidence angular aperture angular point aperture A O B apparent magnitude beauty brass rim broad milled Camera Obscura cell centre CHAPTER circle circular field coloured glass combination composed cone construction convex lens direct vision distance effects produced equal exhibited Fcap figure fixed focal length History images formed inches inclination instrument inverted image JOHN WILSON CROKER Kaleido Kaleidoscope last sector light luminous m n o p manner metallic motion move object-box object-plate objects placed obliquely observer optical pieces plane mirrors plates of glass polygon Portrait position Post 8vo preceding principles rays re-entering angles reflected images regular polygon ring round salient angles screw Second Edition seen by direct shown in Fig side speculum metal square stationary symmetrical picture Third Edition three reflectors tion triangle tube velocity Vols Woodcuts
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Էջ 1 - Medal, the reflectors were in some cases inclined to each other, and he had occasion to remark the circular arrangement of the images of a candle round a centre, or the multiplication of the sectors formed by the extremities of the glass plates. In repeating, at a subsequent period, the experiments of M. Biot on the action of fluids upon light, Dr B.