A Treatise on the Kaleidoscope1858 |
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... SIMPLE KALEIDOSCOPE , 59 VIII . - ON THE SELECTION OF OBJECTS FOr the KaleidO- SCOPE , AND ON THE MODE OF CONSTRUCTING THE ОВЈЕСТ - ВОХ , • IX . - ON THE ILLUMINATION OF TRANSPARENT OBJECTS IN THE KALEIDOSCOPE , · 67 76 CHAP . X. - ON ...
... SIMPLE KALEIDOSCOPE , 59 VIII . - ON THE SELECTION OF OBJECTS FOr the KaleidO- SCOPE , AND ON THE MODE OF CONSTRUCTING THE ОВЈЕСТ - ВОХ , • IX . - ON THE ILLUMINATION OF TRANSPARENT OBJECTS IN THE KALEIDOSCOPE , · 67 76 CHAP . X. - ON ...
Page 5
... simple form , was completed . In this form , however , the Kaleidoscope could not be considered as a general philosophical instrument of univer- sal application . The least deviation of the object from the position of symmetry at the ...
... simple form , was completed . In this form , however , the Kaleidoscope could not be considered as a general philosophical instrument of univer- sal application . The least deviation of the object from the position of symmetry at the ...
Page 6
... simple Kaleidoscope is concerned , was to a great extent infringed , it has been supposed that it was reduced in a Court of Law . The validity of the Patent was never questioned by any lawyer , or any philosopher acquainted with its ...
... simple Kaleidoscope is concerned , was to a great extent infringed , it has been supposed that it was reduced in a Court of Law . The validity of the Patent was never questioned by any lawyer , or any philosopher acquainted with its ...
Page 16
... simple or irre- gular forms , and compound or regular forms . To the first class belong all those forms which are called picturesque , and which cannot be reduced to two forms similar , and simi- larly situated with regard to a given ...
... simple or irre- gular forms , and compound or regular forms . To the first class belong all those forms which are called picturesque , and which cannot be reduced to two forms similar , and simi- larly situated with regard to a given ...
Page 17
David Brewster. are composed of a direct and an inverted image of a simple or an irregular form ; and , therefore , every simple form can be converted into a compound or beautiful form , by skil- fully combining it with an inverted image ...
David Brewster. are composed of a direct and an inverted image of a simple or an irregular form ; and , therefore , every simple form can be converted into a compound or beautiful form , by skil- fully combining it with an inverted image ...
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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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Page 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.