The Kaleidoscope, Its History, Theory and Construction with Its Application to the Fine and Useful ArtsJ. Murray, 1858 - 189 Seiten |
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Seite 10
... o b , is an image of the first formed by one reflexion from the mirror A o ; and the third is another image of the first formed by one reflexion from : the other mirror B 0. But it is well known 10 CHAP . I. PRELIMINARY PRINCIPLES.
... o b , is an image of the first formed by one reflexion from the mirror A o ; and the third is another image of the first formed by one reflexion from : the other mirror B 0. But it is well known 10 CHAP . I. PRELIMINARY PRINCIPLES.
Seite 45
... third reflexions , etc. , where the rays fall with less obliquity , will be still darker than the first ; though this difference will not be very perceptible when the inclination of the mirrors is 30 ° or upwards , and the eye placed in ...
... third reflexions , etc. , where the rays fall with less obliquity , will be still darker than the first ; though this difference will not be very perceptible when the inclination of the mirrors is 30 ° or upwards , and the eye placed in ...
Seite 47
... third , or one - fourth of it , as when we have it in our power to move the objects across the aperture , or the aperture over the objects . Another evil arising from the placing of the objects within the mirrors , is , that we are ...
... third , or one - fourth of it , as when we have it in our power to move the objects across the aperture , or the aperture over the objects . Another evil arising from the placing of the objects within the mirrors , is , that we are ...
Seite 110
... third , consisting of two halves , formed by four reflexions . This figure consists of three entirely separate hexagons , I C A O H K , L DA BEM , and B O G N P F , all of which are formed of reflected images ; -of one triangle A O B ...
... third , consisting of two halves , formed by four reflexions . This figure consists of three entirely separate hexagons , I C A O H K , L DA BEM , and B O G N P F , all of which are formed of reflected images ; -of one triangle A O B ...
Seite 132
... third case , they form imperfect figures , in which the lines unite at one extremity and are open at the other . If , instead of supposing a mathematical line to be the object , we take a single piece of coloured glass , with an ...
... third case , they form imperfect figures , in which the lines unite at one extremity and are open at the other . If , instead of supposing a mathematical line to be the object , we take a single piece of coloured glass , with an ...
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The Kaleidoscope, Its History, Theory and Construction with Its Application ... Sir David Brewster, Sir Keine Leseprobe verfügbar - 2015 |
The Kaleidoscope, Its History, Theory and Construction With Its Application ... David Brewster Keine Leseprobe verfügbar - 2015 |
The Kaleidoscope, Its History, Theory and Construction with Its Application ... David Brewster Keine Leseprobe verfügbar - 2018 |
Häufige Begriffe und Wortgruppen
A O B aliquot angle angular aperture appear applied arranged beautiful becomes brass centre CHAPTER circle circular colours combination complete composed consequence consider consists construction containing created described designs direct distance edges Edition effect equal exhibited extremity field figure fixed follows formed four fragments give given glass greater half hand Hence inches incidence inclination increase instrument intensity inverted Kaleidoscope length lens less light m n o p manner means metallic method mirrors motion move necessary object object-box observer obtained optical pair passing pattern perfect perfectly picture pieces placed plane plates polygon position possible Post 8vo preceding presented principles produced rays reflected images reflectors reflexion regular removed ring round screw Second sector seen by direct shown side similar simple situated square stationary surface symmetrical tion transparent tube various Vols whole
Beliebte Passagen
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Seite 17 - JESSE'S (EDWARD) Visits to Spots of Interest in the Vicinity of Windsor and Eton.
Seite 18 - First Latin Book ; or, the Accidence, Syntax and Prosody, with an English Translation for the Use of Junior Classes.
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